Etymology
The word "insidious" is derived from the Latin word "insidiosus," meaning "crafty," "treacherous," or "lying in wait." It is formed from the prefix "in-," meaning "in" or "into," and the root "sidere," meaning "to settle" or "to fall."
Meaning
Insidious means:
Origin
The word "insidiosus" was first used in Latin around the 1st century AD. It was used to describe people who were deceitful or treacherous. The word was later adopted into English in the 16th century.
Usage
"Insidious" is commonly used to describe:
Examples
Etymology The word atoll is derived from the Maldivian and Dhivehi word atholhu whic
Etymology Greek dys bad abnormal Greek enteron intestines Meaning Dysen
Etymology Embargo derives from the Spanish term embargar meaning to hold fast or
Etymology The word embarrass comes from the Old French word embarras which means ob
Etymology Embryo comes from the Greek word embryon which means unborn or young o
Etymology Late Latin imperium dominion Latin imperare to command Proto Indo E
Etymology The word employ comes from the Old French word emploier which in turn come
Etymology Middle English enclaue from Old North French enclaver from Late Latin inc
Etymology of endo The word endo is derived from the Greek word endon meaning wi
Etymology From the Ancient Greek word klýs ma κλύσμα meaning washing out
Etymology Latin ingenium innate ability French engin device Meaning An engi
Etymology The word enoptomancy comes from the Greek words ἔνοπτρον enoptr
Etymology The word etymology comes from the Greek words étymon true sense of a word
Etymology The word enteric is derived from the Greek word enteron which means inte
Etymology entero Greek intestine itis Greek inflammation Meaning Inflammati
Etymology Latin integer whole entire Meaning An integer is a whole number th
Etymology The word entice comes from the Old French word enticer which in turn is d
Etymology Ento is derived from the Greek preposition entos meaning within Mean
Etymology Origin Old French entrailles Latin interālis internal Meaning and Ori
Etymology The word envoy stammt from the Old French word enveier meaning to send
Etymology The word envy comes from the Old French word envier which means to
Etymology The word episode is derived from the Greek word epeisodion which literall
Etymology Esoteric comes from the Greek word esoterikos which means inner or secret
Etymology French imbroglio from Italian imbroglio from the verb imbrogliare to entan
Etymology Latin immolare to sprinkle with sacrificial meal Proto Indo European me
Etymology Latin impedīre to entangle obstruct hinder Proto Indo European ped f
Etymology Latin impendere to hang over be imminent threaten Proto Indo European
Etymology Latin impetus attack onset assault Proto Indo European h₂ep to
Etymology is the study of the origin and development of words It can be traced back to an
Etymology The word impostor comes from the Latin word impostor which means pretend
Etymology Impresario is derived from the Italian word impresario which means contrac
Etymology Impromptu Latin impromptu from in not promptus ready Meaning
Etymology Late Latin īnchōātus past participle of īnchōāre to begin From Proto
Etymology The word incite comes from the Latin word incitare meaning to drive on
Etymology The word increase comes from the Old French word encroistre which is deriv
Etymology The word incumbent derives from the Latin word incumbere meaning to lie
Etymology The word industry is derived from the Latin word industria which means d
Etymology From Middle French indigence from Latin indigentiam nominative indigentia
Etymology Old French enflechir or enfleichier Late Latin inflectere Proto Indo
Etymology The word ingenuous comes from the Latin word ingenuus which means native
Etymology From Latin ingest to carry into from in into gerere to carry
Etymology The word innate comes from the Latin word innatus which means inborn or
Etymology Old English inra Proto Germanic inra Proto Indo European e nter within
Etymology Early 17th century from Italian innuendo indication or hinting from past
Etymology The word inoculate comes from the Latin word inoculare which means to gra
Insignia Etymology The word insignia originates from the Latin word insigne meaning
Etymology Late 19th century from instant adjective ly Meaning Immediately at on
Etymology From Italian intaglio from Latin intagliāre meaning to engrave Ultimate
Etymology Latin interim meaning in the meantime From inter between im accu
Etymology The word interior derives from the Latin word inter meaning within Me
Etymology The word intern is derived from the Latin word internare which means to p
Etymology Internal etymology The origin of a word within the same language Meaning Th
Etymology The word intestine comes from the Latin word intestinum meaning inner tu
Etymology The word intra originates from the Latin prefix intra meaning within or
Etymology Intricate derives from the Late Latin word intricatus the past participle
Etymology Intrinsic comes from the Latin word intrinsecus meaning within or int
Etymology The Study of Word Origins Etymology is a branch of linguistics that investigat
Etymology The word introduction originates from the Latin verb introducere meaning
Etymology The word introit is derived from the Latin word introitus which means ent
Etymology The word introspect originates from the Latin words intro meaning inward
Etymology The word invert derives from the Latin word invertere which means to tur
Etymology Greek μέσεντερον mesenteron Literal meaning in the middle of t
Etymology Etymology refers to the study of the origin and evolution of words and the chan
Etymology Latin assiduus constant diligent Proto Indo European h₂ses to se
Etymology From Old French assise from Late Latin assīsa derived from Latin assidēre
Etymology Old Irish ben síde literally woman of the fairy mound Meaning A
Etymology Old French beset besettre beset from Old English besetten to beset a
Etymology From Latin cathedra from Greek καθέδρα kathedra meaning seat or
Etymology The word cathedral comes from the Late Latin word cathedralis which is de
Etymology The English word chair comes from the Old English word cæˆre which is a
Etymology Middle English cossen cosset Old French cousser cosset Vulgar Latin con
Etymology The word dissident originates from the Latin word dis sentire meaning to
Etymology and Origin The word dodecahedron comes from two Greek words Dodeca meani
Etymology The word eisteddfod is derived from the Old Welsh words eistedd to sit a
Etymology The word ephedra is derived from the Greek words epi upon and hedra se
Etymology German from Middle High German ersatz compensation substitute from erset
Etymology The word icosahedron comes from the Greek words eikosi meaning twenty
Etymology Latin inserere to insert Meaning Literally to place or fix into somet
Etymology The word insidious is derived from the Latin word insidiosus meaning craf
Etymology The word nest comes from the Old English noun nest which meant a place wh
Etymology French niche alcove recess from Italian nicchia niche recess probably
Etymology Derived from the Greek name Νικόλαος Nikolaos meaning victory of
Etymology The word nidicolous comes from Latin nidus nest colus inhabiting
Etymology Latin nidificare meaning to make a nest Nid from Latin nidus mea
Etymology The word nidus is derived from the Latin word nīdus meaning nest Mean
Etymology Latin ob sessum Meaning To be preoccupied with or fixated upon a parti
Etymology The word octahedron comes from the Greek words okta ὀκτά meaning e
Etymology The word piezo is derived from the Greek word piezein which means to pre
Etymology Ancient Greek polus many hedron base seat Meaning A polyhedron
Etymology From Middle English possessen from Old French possessir from Latin possess
Etymology and Origin of Preside Preside comes from the Latin word praesidēre which
Etymology The word reside comes from the Latin verb residēre which means to sit do
Etymology Middle English sadel from Old English sadol sadul Proto West Germanic sa
Etymology The word Sanhedrin is derived from the Greek word sunedrion which means
Etymology The word séance comes from the French word séance which means session
Etymology Old English sēte Proto Germanic satuz Proto Indo European root so
Etymology The word sedan has its origins in the Italian city of Sedan located in the
Etymology of sedate Origin Late Latin sedatus from Latin sedare to calm settle so
Etymology Latin sedentarius adjective Late Latin sedentarius noun Meaning
Etymology and Meaning Sederunt is a Latin word meaning they sat It is the past tense
Etymology of sediment Derived from the Latin word sedimentum meaning a settling
Etymology The word sessile originates from the Latin word sessilis which means sit
Etymology Latin sessio meaning a sitting From sedere meaning to sit Meanin
Etymology The word sett has multiple origins and meanings depending on its specific us
Etymology Middle English settelen from Old English setlan from Proto Germanic satli
Etymology Middle English settelen from Old English setlan from Proto Germanic satli
Etymology Middle French siege from Old French siege meaning seat Latin sedes
Etymology The term sitz bath is a combination of two German words Sitz Meaning sit
Etymology From French Sitzkrieg literally sitting war from German Sitzkrieg liter
Etymology Old English siȝe Middle English sise Late Latin sīsus meaning amoun
Etymology The word soil originates from the Old French word soil which itself derive
Etymology Old English Sumorsæte Middle English Somersete Meaning Summer people
Etymology Soot comes from the following sources Old English sot meaning blackne
Etymology Latin subsidere meaning to settle down sub under sidere to sit
Etymology The word subsidy comes from the Late Latin word subsidium meaning support
Etymology The word supersede comes from the Latin supersedere meaning to sit above
Etymology Old French sursoir surseir Latin supersedēre to sit upon stay rest
Etymology Old Irish tánaiste Proto Celtic tanistī Meaning A deputy or sec
Etymology Derived from Greek tetra four hedron base Meaning A three di
Etymology The term Upanishad is derived from two Sanskrit words Up near close t
Etymology Latin pernicies destruction from per completely and nex death
Etymology Sub Latin prefix meaning under slightly or less Tilis Latin adjec
Etymology and Meaning The name Rasputin is derived from the Russian word rasputnik w
Etymology Middle English bustle from Old French buste meaning stir noise Mea
Etymology of Garden The word garden has its origins in the Proto Indo European root
Etymology Origin Middle English bias from Old French bias from Late Latin biāc
Etymology of Epitome The word epitome originates from the Greek word epitome meaning
Etymology The word creole is derived from the Spanish and Portuguese word criollo wh
