| Title | insidious |
|---|---|
| Text |
Merriam-Webster's Collegiate Dictionary in·sid·i·ous ETYMOLOGY Latin insidiosus, from insidiae ambush, from insidēre to sit in, sit on, from in- + sedēre to sit — more at sit DATE 1545 1. a. awaiting a chance to entrap : treacherous b. harmful but enticing : seductive insidious drugs 2. a. having a gradual and cumulative effect : subtle the insidious pressures of modern life b. of a disease : developing so gradually as to be well established before becoming apparent • in·sid·i·ous·ly adverb • in·sid·i·ous·ness noun English Etymology insidious 1545, from L. insidiosus "deceitful," from insidiæ (pl.) "plot, snare, ambush," from insidere "sit on, occupy," from in- "in" + sedere "to sit" (see sedentary). Oxford Advanced Learner's Dictionary-牛津双解-OALD7 insidious in·sidi·ous / in5sidiEs / adjective (formal, disapproving)spreading gradually or without being noticed, but causing serious harm 潜伏的；隐袭的；隐伏的: the insidious effects of polluted water supplies 供水系统污染的潜在恶果 • in·sidi·ous·ly adv. Merriam-Webster's Collegiate Thesaurus-11th Edition adj. Function: adjective Synonyms: SLY 2, artful, astute, crafty, cunning, deep, foxy, guileful, tricky, wily Related Words: perfidious, treacherous; dangerous, perilous; gradual, subtle Webster's Third New International Dictionary, Unabridged in·sid·i·ous \ə̇nˈsidēəs sometimes -ijəs\ adjective Etymology: Latin insidiosus insidious, cunning, deceitful, from insidiae ambush + -osus -ous 1. a. : watching for an opportunity to ensnare < an insidious tempter > : lying in wait : intended to entrap or trick < an insidious plot > b. : enticing and deleterious < these insidious drugs > 2. a. : acting by imperceptible degrees : having a gradual, cumulative, and usually hidden effect : subtle < insidious charm > < the insidious pressures of modern life > < an insidious drink > b. of a disease : developing so gradually as to be well established before becoming apparent Synonyms: see sly |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Insect or of cut small from any class
Previous card: to insist verb stand insisted from sth dictionary
Up to card list: English learning