Insidious

Synonyms stealthy, subtle, surreptitious, cunning, crafty, treacherous, artful, sly, wily, shifty, underhanded, indirect; informal sneaky.

Bellicose

Synonyms aggressive, hostile, warlike, warmongering, hawkish, antagonistic, pugnacious, truculent, confrontational

Acquiesce

Synonyms accept, consent to, agree to, allow, concede, assent to, concur with, give the nod to; comply with, cooperate with, give in to, bow to, yield to, submit to; informal go along with

Gauche

Synonyms awkward, gawky, inelegant, graceless, ungraceful, klutzy, inept; lacking in social grace(s), unsophisticated, uncultured, uncultivated, unrefined

Capricious

Synonyms fickle, inconstant, changeable, variable, volatile, unpredictable, temperamental

Importunate

Synonyms clamorous, disturbing, dogged, harassing, persevering, persistent disturbing, dogged

Circumnavigate

Synonyms Circle, compass, move around

Precipitous

Synonyms steep, sheer, perpendicular, abrupt, sharp, vertical

Enervate

Synonyms exhaust, tire, fatigue, weary, wear out, devitalize, drain, sap, weaken, enfeeble, debilitate

Feign

Synonyms fake, sham, affect, give the appearance of, make a pretense of