insidious

• 陰湿な; こっそりした; 陰湿な; 狡猾な.

in-「入る」、-sid「座る」、語源的にはsit「座る」と同じ。

insidious

insidious: see session

insidious (adj.)

1540s, from Middle French insidieux (15c.) or directly from Latin insidiosus "deceitful, cunning, artful," from insidiae (plural) "plot, snare, ambush," from insidere "sit on, occupy," from in- "in" (see in- (2)) + sedere "to sit" (see sedentary). Related: Insidiously; insidiousness.

1. They focus on overt discrimination rather than insidious aspects of racism.

彼らは人種差別の潜在的な問題ではなく、公開された差別に注目している。

2.the insidious effects of polluted water supplies

給水システム汚染の潜在的な悪果

3.The changes are insidious ，and will not produce a noticeable effect for 15 to 20 years.

変化はひっそりと発生し、15?20年間は明らかな影響を与えない。

4.Organized crime has an insidious influence on all who come into contact with it.

集団犯罪に関係するすべての人は知らず知らずのうちに悪影響を受けている。

5.That insidious man bad mouthed me to almost everyone else.

あの陰険なやつはほとんど人に会うと私の悪口を言う。