1. marked by deception
- achieved success in business only by underhand methods
2. with hand brought forward and up from below shoulder level
- an underhand pitch
- an underhand stroke
Sentences with underhanded as an adjective:
- His underhanded trick backfired and he was disqualified.
- An underhanded compliment is actually criticism.
1. In an underhand manner.
1. Devious people, collectively.
1. simple past tense and past participle of underhand