Insidious

2. Insidious

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

5. Bellicose

6. Synonyms • aggressive, hostile, warlike, warmongering, hawkish, antagonistic, pugnacious, truculent, confrontational

8. Acquiesce

9. 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

11. Gauche

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

14. Capricious

15. Synonyms • fickle, inconstant, changeable, variable, volatile, unpredictable, temperamental

17. Importunate

18. Synonyms • clamorous, disturbing, dogged, harassing, persevering, persistent disturbing, dogged

20. Circumnavigate

21. Synonyms • Circle, compass, move around

23. Precipitous

24. Synonyms • steep, sheer, perpendicular, abrupt, sharp, vertical

26. Enervate

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

29. Feign

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