About The Word Insidious

Bay Area Crosswords

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

Insidious Meaning & Definition
Insidious Definition And Meaning

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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