628 entries under strenuous topic. ×
| empirical(adjective, strength, stable) | |
| endurable(adjective, strength, stable) | |
| establishable(adjective, strength, stable) | |
| evincible(adjective, strength, stable) | |
| fair(adjective, strength, stable) | |
| flat(adjective, feature, act, strength, doing) | |
| flush(adjective, feature, act, strength, doing) | |
| forever(adjective, strength, stable) | |
| fortified(adjective, power, intense) | |
| gargantuan(noun, adjective, adverb, power, intense) | |
| hard(adjective, power, intense) | |
| incessant(adjective, strength, stable) | |
| industrial-strength(adjective, power, intense) | |
| ironlike(adjective, power, intense) | |
| justifiable(adjective, strength, stable) | |
| knock-down(adjective, power, intense) | |
| knockout(adjective, power, intense) | |
| lasting(adjective, strength, stable) | |
| livable(adjective, strength, stable) | |
| long(verb, adjective, feature, force, strength) |
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| APA | Smart Define. (2016). strong thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/strong/thesaurus/related |
| Chicago | Smart Define. 2016. "strong thesaurus" https://smartdefine.org/strong/thesaurus/related (accessed September 29, 2026). |
| Harvard | Smart Define 2016, strong thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/strong/thesaurus/related>. |
| MLA | Smart Define. "strong thesaurus" 1 April 2016. Web. 29 September 2026. <https://smartdefine.org/strong/thesaurus/related> |