| long(adjective, wordy, expansive) | |
| lengthy | |
| detailed(adjective, simple, uncertain) | |
| long-lived(adjective, wordy, expansive) | |
| lasting | |
| diffuse(adjective, short, wordy, condensed) | |
| eternal(adjective, pause, endless) | |
| enduring(adjective, wordy, expansive) | |
| long-winded(adjective, wordy, expansive) | |
| wordy(adjective, expansive) | |
| flatulent(adjective, pretentious, unpretentious) | |
| long-term | |
| forever(adverb, everlasting, endlessly, unremittingly) | |
| permanent(adjective, slow) | |
| perpetual(adjective, lasting, continual) | |
| strong | |
| huge(adjective, wordy, expansive) | |
| interminable(adjective, limited, finite) | |
| unending(irregular, broken, finite) | |
| secret(verb, neglect) |
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| APA | Smart Define. (2016). brief thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/brief/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "brief thesaurus" https://smartdefine.org/brief/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, brief thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/brief/thesaurus/antonyms>. |
| MLA | Smart Define. "brief thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/brief/thesaurus/antonyms> |