328 entries under strong topic. ×
| assured(bold, resolute, spirited, brave) | |
| audacious(bold, spirited, brave, daring) | |
| balanced(calm, solid, steady, substantial) | |
| ball of fire(expression, adjective, idiom, energetic) | |
| bitter(adjective, hard, severe, sharp) | |
| boisterous(fit, healthy, well, hearty) | |
| bouncing(adjective, intense, energetic, powerful) | |
| bouncy(adjective, hard, energetic, active) | |
| breezy(adjective, moving, lively, active) | |
| brick-wall(calm, severe, solid, steady) | |
| brisk(adjective, intense, energetic, powerful) | |
| by the book(expression, adjective, idiom, hard) | |
| capable(sound, fit, heavy, healthy) | |
| coarse(adjective, hard, severe, rough) | |
| concentrated(adjective, set, hard, firm) | |
| conditioned(adjective, sturdy) | |
| crass(adjective, hard, harsh, rude) | |
| daring(determined, noble, bold, spirited) | |
| dashing(adjective, energetic, powerful, lively) | |
| deep-rooted(calm, solid, steady, substantial) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |