14 entries under hard-headed topic. ×

5
constant(adjective, sympathetic, broken, finished, occasional)
1
direct(adjective, vague, equivocal, undeviating, uninterrupted)
1
undisturbed(adjective, calm, anxious, affected, perennial)
0
frequent(adjective, irregular, infrequent, perennial, seasonal)
0
old(adjective, weak, perennial, seasonal)
0
steady(adjective, inconstant, day-and-night, perennial, seasonal)
0
in order(expression, adjective, broken, perennial, seasonal)
0
interminable(adjective, limited, finite, perennial, seasonal)
0
iron-fisted(adjective, irregular, broken, day-and-night, perennial)
0
ironfisted(adjective, irregular, broken, day-and-night, perennial)
0
matter of fact(expression, adjective, idiom, dishonest, equivocal)
0
protracted(adjective, halting, day-and-night, perennial, seasonal)
0
sustained(adjective, ending, perennial, seasonal)
0
unending(adjective, irregular, broken, finite, perennial)
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APASmart Define. (2016). interrupted thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/interrupted/thesaurus/antonyms
ChicagoSmart Define. 2016. "interrupted thesaurus" https://smartdefine.org/interrupted/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, interrupted thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/interrupted/thesaurus/antonyms>.
MLASmart Define. "interrupted thesaurus" 29 February 2016. Web. 26 September 2026. <https://smartdefine.org/interrupted/thesaurus/antonyms>