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Showing words for INSIDIOUS using the English dictionary

9 Letter Words for Insidious

insidious

8 Letter Words for Insidious

sinusoid

6 Letter Words for Insidious

iodins, sidion, sounds, unioid

5 Letter Words for Insidious

dinos, dinus, donis, dosis, dusio, idion, indii, indus, iodin, nidus, nisus, nodus, oisin, ounds, sinds, sinus, sison, snods, sound, suids, sunis, udons, unsod

4 Letter Words for Insidious

dino, dins, doni, dons, doss, dsos, duns, duos, idun, ions, isdn, isis, isos, iuds, nidi, nids, nisi, nodi, nods, nous, odin, onus, ouds, sidi, sids, sind, sins, sion, sisi, snod, sods, sond, sons, soud, sous, suds, suid, suni, suns, susi, udon, udos, undo, unio, unis

3 Letter Words for Insidious

din, dis, don, dos, dso, dui, dun, duo, ido, ids, iii, ind, ins, ion, ios, iou, isn, iso, iud, nid, nis, nod, nos, nus, ods, oii, ois, oni, ons, osi, oud, oui, ous, sds, sin, sis, sod, son, sou, ssu, sud, sui, sun, sus, udo, uds, uni, uns

Definitions for Insidious

[1] intended to entrap or beguile: an insidious plan.
[2] stealthily treacherous or deceitful: an insidious enemy.
[3] operating or proceeding in an inconspicuous or seemingly harmless way but actually with grave effect: an insidious disease.
[4] stealthy, subtle, cunning, or treacherous
[5] working in a subtle or apparently innocuous way, but nevertheless deadly an insidious illness

Words related to Insidious

subtle, dangerous, Machiavellian, artful, astute, corrupt, crafty, crooked, cunning, deceitful, deceptive, deep, designing, dishonest, disingenuous, duplicitous, foxy, intriguing, perfidious, perilous

Words nearby Insidious

inside track, inside track, the, insider, insider dealing, insider trading, insidious, insight, insightful, insigne, insignia, insignificance

Origin of Insidious

1535–45; < Latin insidiōsus deceitful, equivalent to insidi(ae ) (plural) an ambush (derivative of insidēre to sit in or on) + -ōsus -ous; see sit1

Words that may be confused with Insidious

insidious, invidious

Other words from Insidious

in·sid·i·ous·ly , adverb
in·sid·i·ous·ness , noun
un·in·sid·i·ous , adjective
un·in·sid·i·ous·ly , adverb
un·in·sid·i·ous·ness , noun
in•sid′ i•ous•ly adv.

Word origin for Insidious

C16: from Latin insidiōsus cunning, from insidiae an ambush, from insidēre to sit in; see insessorial

Synonyms for Insidious

dangerous, subtle, Machiavellian, artful, astute, corrupt, crafty, crooked, cunning, deceitful, deceptive, deep, designing, dishonest, disingenuous, duplicitous, ensnaring, false, foxy, guileful, intriguing, like a snake in the grass, perfidious, perilous, secret, slick, sly, smooth, snaky, sneaking, stealthy, surreptitious, treacherous, wily, wormlike