- Definitions|0
- Thesaurus|302
- Abbreviations|0
54 entries under common topic. ×
| accustomed(adjective, plain, usual, intimate) | |
| customary(adjective, plain, usual, intimate) | |
| dull(adjective, set, flat, plain, silly) | |
| flat(adjective, dull, set, silly) | |
| habitual(adjective, characteristic, ordinary, natural) | |
| known(adjective, simple, plain, usual) | |
| mundane(adjective, stupid, ordinary, usual) | |
| natural(adjective, characteristic, ordinary, usual) | |
| plain(adjective, usual, shabby, customary) | |
| prosaic(adjective, dull, set, flat, silly) | |
| recognizable(adjective, simple, plain, usual) | |
| regular(adjective, characteristic, ordinary, natural) | |
| routine(adjective, dull, set, flat, plain) | |
| unsophisticated(adjective, simple, usual, intimate) | |
| usual(adjective, characteristic, ordinary, natural) | |
| vapid(adjective, dull, set, flat, silly) | |
| acclimated | |
| at home with(expression, idiom, plain) | |
| domestic(adjective, simple, usual, intimate) | |
| familiar with(expression, plain) |
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| APA | Smart Define. (2015). old hat thesaurus. Retrieved September 24, 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 24, 2026). |
| Harvard | Smart Define 2015, old hat thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/old_hat/thesaurus/synonyms>. |
| MLA | Smart Define. "old hat thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/old_hat/thesaurus/synonyms> |