57 entries under boring topic. ×
| familiar(adjective, flat, stupid, ordinary, dry) | |
| flat(adjective, dull, hard, ordinary, dry) | |
| heavy(adjective, flat, stupid, ordinary, dry) | |
| ho hum(expression, adjective, flat, ordinary, dry) | |
| humdrum(adjective, flat, ordinary, dry) | |
| insipid(adjective, dull, hard, flat, ordinary) | |
| longwinded(adjective, flat, stupid, ordinary, dry) | |
| monotonous(adjective, flat, ordinary, dry) | |
| oft-repeated(adjective, flat, stupid, ordinary, dry) | |
| ordinary(adjective, flat, dry, tedious) | |
| plain(adjective, flat, stupid, ordinary, dry) | |
| pointless(adjective, flat, stupid, ordinary, dry) | |
| prolix(adjective, flat, stupid, ordinary, dry) | |
| prosaic(adjective, flat, stupid, ordinary, dry) | |
| prosy(adjective, flat, stupid, ordinary, dry) | |
| repetitious(adjective, dull, hard, flat, stupid) | |
| repetitive(adjective, flat, stupid, ordinary, dry) | |
| routine(adjective, flat, stupid, ordinary, dry) | |
| run-of-the-mill(adjective, flat, common, stupid, ordinary) | |
| soporific(adjective, flat, stupid, ordinary, dry) |
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| APA | Smart Define. (2015). out-of-date thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/out-of-date/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "out-of-date thesaurus" https://smartdefine.org/out-of-date/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, out-of-date thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/out-of-date/thesaurus/synonyms>. |
| MLA | Smart Define. "out-of-date thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/out-of-date/thesaurus/synonyms> |