1. underarm - Noun
2. underarm - Adjective
3. underarm - Verb
4. underarm - Adverb
with hand brought forward and up from below shoulder level
with the hand swung below shoulder level
Source: WordNetPosing the question: does the god of love use underarm deodorant, vaginal spray and fluoride toothpaste? Harlan Ellison
Be sure to wear a good cologne, a nice aftershave lotion, and a strong underarm deodorant. And it might be a good idea to wear some clothes, too. George Burns
an underhand pitch Source: Internet
an underhand stroke Source: Internet
throwing a ball underarm Source: Internet
Although not entirely in the spirit of the game, an underarm delivery was quite legal, so long as the arm was kept straight. Source: Internet