Across

2 love
5 efficient
6 desire
9 sluggish
10 an empty threat
14 eloquence
15 greed
16 kindness
18 threatening
19 thoughtfulness

Down

1 threats
3 hatred
4 wastefulness
5 intelligence
7 to defy
8 rage
11 fist
12 laziness, idleness
13 disloyal
17 anger