- Definitions|0
- Thesaurus|302
- Abbreviations|0
183 entries under adjective topic. ×
| timeworn(dull, flat, commonplace, stale) | |
| well-known(simple, plain, common, usual) | |
| accustomed(plain, common, usual, intimate) | |
| agreed(settled, finished, decided) | |
| blah(stupid, ordinary, commonplace, bland) | |
| bland(dull, stupid, ordinary, boring) | |
| bygone(plain, dead, out, shabby) | |
| cornfed(stupid, ordinary, commonplace, bland) | |
| customary(plain, common, usual, intimate) | |
| disused | |
| dull(set, flat, plain, silly) | |
| dull as dishwater(expression, idiom, stupid, ordinary) | |
| dumb(stupid, ordinary, commonplace, bland) | |
| exhausted(dull, flat, silly, commonplace) | |
| familiar tune(expression, dull, flat, silly) | |
| flat(dull, set, silly, common) | |
| habitual(characteristic, common, ordinary, natural) | |
| ho hum(expression, stupid, ordinary, commonplace) | |
| insipid(dull, stupid, ordinary, boring) | |
| known(simple, plain, common, usual) |
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| APA | Smart Define. (2015). old hat thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/old_hat/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "old hat thesaurus" https://smartdefine.org/old_hat/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, old hat thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/old_hat/thesaurus/synonyms>. |
| MLA | Smart Define. "old hat thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/old_hat/thesaurus/synonyms> |