old hatold hat
- old-fashioned; out-of-date
- well-known or familiar to the point of being trite or commonplace
- Behind the times; out of fashion: Last year's styles are old hat.
- Trite from overuse; overly familiar: That prank is old hat.
- old-hat (adj.)
(comparative more old-hat, superlative most old-hat)
- See old hat.