Synonyms|231Antonyms|1|Broader|0Narrower|0Related|38

57 entries under strong topic. ×

0
ferric(adjective, hard, tough, sturdy)
0
ferrous(adjective, hard, tough, sturdy)
0
hard(adjective, tough, severe, harsh)
0
heavy(adjective, hard, tough, sturdy)
0
immovable(adjective, hard, tough, sturdy)
0
implacable(adjective, hard, tough, severe)
0
inflexible(adjective, hard, tough, severe)
0
insensible(adjective, hard, tough, sturdy)
0
obdurate(adjective, hard, tough, sturdy)
0
rigorous(adjective, hard, tough, severe)
0
robust(adjective, hard, tough, sturdy)
0
rugged(adjective, hard, tough, severe)
0
steel(adjective, hard, tough, sturdy)
0
sturdy(adjective, hard, tough, rugged)
0
thick(adjective, hard, tough, sturdy)
0
tough inflexible(expression, hard, tough, sturdy)
0
unbending(adjective, hard, tough, sturdy)
<123>
For more, visit Hard-shell on Power Thesaurus
13 years ago|803 views|share |citing 
APASmart Define. (2013). hard-shell thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hard-shell/thesaurus/synonyms
ChicagoSmart Define. 2013. "hard-shell thesaurus" https://smartdefine.org/hard-shell/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, hard-shell thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hard-shell/thesaurus/synonyms>.
MLASmart Define. "hard-shell thesaurus" 17 June 2013. Web. 23 September 2026. <https://smartdefine.org/hard-shell/thesaurus/synonyms>