- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
18 entries under tough topic. ×
| formidable(adjective, awful, terrible, fear) | |
| dire(adjective, difficult, awful, terrible) | |
| fearful(adjective, difficult, awful, terrible) | |
| appalling(adjective, difficult, awful, terrible) | |
| terrible(adjective, difficult, awful, fear) | |
| dreadful(adjective, difficult, awful, terrible) | |
| frightful(adjective, difficult, awful, terrible) | |
| horrible(adjective, difficult, awful, terrible) | |
| horrific(adjective, difficult, awful, terrible) | |
| awful(difficult, terrible, fear, dreadful) | |
| tremendous(adjective, difficult, awful, terrible) | |
| great(adjective, respect, knowledge, difficult) | |
| shocking(adjective, difficult, awful, terrible) | |
| powerful(adjective, difficult, vigorous, noble) | |
| indomitable(difficult, determined, vigorous, noble) | |
| puissant(difficult, vigorous, noble, stout) | |
| heroic(determined, vigorous, noble, stout) | |
| overwhelming(difficult, awful, terrible, strange) |
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| APA | Smart Define. (2016). redoubtable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/redoubtable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "redoubtable thesaurus" https://smartdefine.org/redoubtable/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, redoubtable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/redoubtable/thesaurus/synonyms>. |
| MLA | Smart Define. "redoubtable thesaurus" 2 March 2016. Web. 25 September 2026. <https://smartdefine.org/redoubtable/thesaurus/synonyms> |