define these words;
13. belligerent
14. whimsical
15. sarcastic
16. empathetic
17. ominous
18. humble
19. serene
20. apathy
13. belligerent - hostile and aggressive behavior
14. whimsical - characterized by a playfully quaint or fanciful quality
15. sarcastic - using irony or mocking humor to convey contempt
16. empathetic - showing an ability to understand and share the feelings of others
17. ominous - giving the impression that something bad or unpleasant is going to happen
18. humble - having or showing a modest or low estimate of one's own importance
19. serene - calm, peaceful, and untroubled; tranquil
20. apathy - lack of interest, enthusiasm, or concern