- Definitions|0
- Thesaurus|128
- Abbreviations|0
24 entries under important topic. ×
| deep(adjective, tough, severe, significant) | |
| earnest(adjective, determined, sober, serious) | |
| far-reaching(adjective, tough, severe, significant) | |
| fateful(adjective, tough, severe, significant) | |
| formidable(adjective, tough, severe, significant) | |
| grave(adjective, great, tough, severe, heavy) | |
| hard(adjective, tough, severe, significant) | |
| laborious(adjective, tough, severe, significant) | |
| meaning business(expression, adjective, tough, severe) | |
| meaningful(adjective, tough, severe, significant) | |
| no joke(expression, adjective, tough, severe) | |
| no laughing matter(expression, adjective, idiom, tough, severe) | |
| of consequence(expression, adjective, tough, severe) | |
| operose(adjective, tough, severe, significant) | |
| out for blood(expression, adjective, idiom, tough, severe) | |
| serious(adjective, great, heavy, significant) | |
| smoking(adjective, tough, severe, significant) | |
| sobering(adjective, tough, severe, significant) | |
| strictly business(expression, adjective, great, tough, severe) | |
| tough(adjective, severe, difficult, significant) |
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| APA | Smart Define. (2011). playing hard ball thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/playing_hard_ball/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "playing hard ball thesaurus" https://smartdefine.org/playing_hard_ball/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2011, playing hard ball thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/playing_hard_ball/thesaurus/synonyms>. |
| MLA | Smart Define. "playing hard ball thesaurus" 24 May 2011. Web. 26 September 2026. <https://smartdefine.org/playing_hard_ball/thesaurus/synonyms> |