Synonyms|72Antonyms|1|Broader|0Narrower|0Related|8

66 entries under adjective topic. ×

6
ferrous(strong, hard, tough, sturdy)
3
iron(noun, strong, hard, tough)
2
ferruginous
1
chalybeate
1
metal
1
metallic element
1
steel(strong, hard, tough, sturdy)
0
adamant(strong, hard, tough, sturdy)
0
adamantine(strong, hard, tough, sturdy)
0
astringent(strong, hard, tough, sturdy)
0
austere(strong, hard, tough, sturdy)
0
authoritarian(strong, hard, tough, sturdy)
0
bitter(strong, hard, tough, sturdy)
0
bullheaded(strong, hard, tough, sturdy)
0
by the book(expression, idiom, strong, hard)
0
cruel(strong, hard, tough, sturdy)
0
dense(strong, hard, tough, sturdy)
0
determined(strong, hard, tough)
0
disciplinary(strong, hard, tough, sturdy)
0
dyed-in-the-wool(strong, hard, tough, sturdy)
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APASmart Define. (2013). ferric thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ferric/thesaurus/synonyms
ChicagoSmart Define. 2013. "ferric thesaurus" https://smartdefine.org/ferric/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2013, ferric thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ferric/thesaurus/synonyms>.
MLASmart Define. "ferric thesaurus" 17 June 2013. Web. 24 September 2026. <https://smartdefine.org/ferric/thesaurus/synonyms>