Synonyms|178Antonyms|32|Broader|2Narrower|0Related|7

121 entries under adjective topic. ×

1
staunch
1
steely(strong, hard, tough, severe)
1
stiff
1
stiff-necked(strong, hard, tough, severe)
1
stouthearted(persistent, obstinate, insistent, dogged)
1
sturdy(strong, hard, tough, rugged)
1
unconquerable(persistent, obstinate, insistent, dogged)
1
unflinching(persistent, obstinate, insistent, dogged)
1
unregenerate(persistent, obstinate, insistent, dogged)
1
unrelenting(strong, hard, tough, severe)
1
unsparing(strong, hard, tough, severe)
1
wrongheaded(persistent, obstinate, insistent, dogged)
0
all-or-nothing
0
bigoted
0
dense(strong, hard, tough, sturdy)
0
disapproving
0
ferric(strong, hard, tough, sturdy)
0
ferrous(strong, hard, tough, sturdy)
0
hardboiled(tough, firm, immovable, hard-nosed)
0
heavy(strong, hard, tough, sturdy)
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APASmart Define. (2015). hard-line thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hard-line/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard-line thesaurus" https://smartdefine.org/hard-line/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, hard-line thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-line/thesaurus/synonyms>.
MLASmart Define. "hard-line thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/hard-line/thesaurus/synonyms>