599 entries under adjective topic. ×
| stubborn(hard, complex, change, position) | |
| taxing(hard, tough, rough, harsh) | |
| rugged(hard, severe, evil, rough) | |
| profound(hard, complex, thoughtful, intellectual) | |
| serious(hard, tough, easy, harsh) | |
| stressful(hard, complex) | |
| grievous(hard, complex, sickness, ache) | |
| oppressive(dull, hard, tough, severe) | |
| sticky(hard, delicate, complex, awkward) | |
| operose(hard, tough, severe, difficulty) | |
| tight(hard, complex) | |
| weighty(hard, heavy, complex) | |
| demanding(dull, hard, tough, severe) | |
| ambitious(hard, ability, complex, effort) | |
| nasty(hard, rough, rude, unpleasant) | |
| precarious(hard, complex) | |
| esoteric(hard, complex, complicated) | |
| sore(hard, complex, sickness, ache) | |
| dire(hard, complex, sickness, ache) | |
| backbreaking(hard, heavy, complex, awkward) |
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| APA | Smart Define. (2016). difficult thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, difficult thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>. |
| MLA | Smart Define. "difficult thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms> |