About The Word Insidious
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Learn about the word Insidious to help solve your crossword puzzle. Discover Insidious definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Insidious
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Insidious Definition And Meaning |
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What's The Definition Of Insidious?
[adj] working or spreading in a hidden and usually injurious way; "glaucoma is an insidious disease"; "a subtle poison"
[adj] intended to entrap [adj] beguiling but harmful; "insidious pleasures" Synonyms | Synonyms for Insidious: dangerous | harmful | pernicious | seductive | subtle | unsafe Related Terms | Find terms related to Insidious: acute | amoral | arch | artful | astute | Byzantine | cagey | calculating | canny | chiseling | clever | collusive | conscienceless | corrupt | corrupted | covinous | crafty | criminal | crooked | cunning | cute | dangerous | dark | deceitful | deep | deep-laid | designing | devious | diplomatic | dishonest | dishonorable | doubtful | dubious | evasive | false | falsehearted | feline | felonious | finagling | fishy | foxy | fraudulent | furtive | gradual | guileful | ill-got | ill-gotten | immoral | indirect | ingenious | inventive | knowing | Machiavellian | Machiavellic | not kosher | pawky | perfidious | perilous | politic | questionable | ready | resourceful | rotten | scheming | serpentine | shady | shameless | sharp | shifty | shrewd | sinister | slick | slippery | sly | smooth | snaky | sneaky | sophistical | stealthy | strategic | subtile | subtle | supple | surreptitious | suspicious | tactical | treacherous | trickish | tricksy | tricky | two-faced | unconscienced | unconscientious | unconscionable | underhand | underhanded | unethical | unprincipled | unsavory | unscrupulous | unstraightforward | vulpine | wary | wily | without remorse | without shame See Also | Insidious In Webster's Dictionary \In*sid"i*ous\, a. [L. insidiosus, fr. insidiae an
ambush, fr. insidere to sit in; pref. in- + sedere to sit:
cf. F. insidieux. See {Sit}.]
1. Lying in wait; watching an opportunity to insnare or
entrap; deceitful; sly; treacherous; -- said of persons;
as, the insidious foe. ``The insidious witch.'' --Cowper.
2. Intended to entrap; characterized by treachery and deceit;
as, insidious arts.
The insidious whisper of the bad angel. --Hawthorne.
{Insidious disease} (Med.), a disease existing, without
marked symptoms, but ready to become active upon some
slight occasion; a disease not appearing to be as bad as
it really is.
Syn: Crafty; wily; artful; sly; designing; guileful;
circumventive; treacherous; deceitful; deceptive. --
{In*sid"i*ous*ly}, adv. -- {In*sid"i*ous*ness}, n.
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