| Word | Definitions | Synonyms |
|---|---|---|
| beat | (adjective) very tired | Synonyms: all in, bushed, dead |
| offbeat | (adjective) (informal) strikingly unconventional | Synonyms: far-out, kinky, quirky, way-out |
| upbeat | (adjective) pleasantly (even unrealistically) optimistic | Synonyms: cheerful, pollyannaish |