| Word | Definitions | Synonyms |
|---|---|---|
| tire | (noun) hoop that covers a wheel | Synonyms: tyre |
| tiredness | (noun) temporary loss of strength and energy resulting from hard physical or mental work | Synonyms: fatigue, weariness |
| tirelessness | (noun) tireless determination | Synonyms: indefatigability, indefatigableness |
| tiresomeness | (noun) dullness owing to length or slowness | Synonyms: tediousness, tedium |