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Underhandedness
- Marked by or done in a deceptive, secret, or sly manner; dishonest and sneaky.
Undertrick
- n. A trick in card games, especially bridge, the loss of which prevents a declarer from making a contract.
Unkosher
- adjective - Forbidden according to Jewish dietary law, Improper or forbidden
Unweighted
- Not adjusted to reflect value
- Not adjusted to reflect value.