17 entries under perennial topic. ×

6
uninterrupted(adjective, unstable, broken, unbroken, continuing)
5
constant(adjective, sympathetic, broken, finished, occasional)
1
direct(adjective, vague, equivocal, undeviating, uninterrupted)
1
undisturbed(adjective, calm, anxious, affected)
0
frequent(adjective, irregular, infrequent, seasonal)
0
old(adjective, weak, seasonal, hard-headed)
0
steady(adjective, inconstant, day-and-night, seasonal)
0
in order(expression, adjective, broken, seasonal)
0
interminable(adjective, limited, finite, seasonal)
0
iron-fisted(adjective, irregular, broken, day-and-night)
0
ironfisted(adjective, irregular, broken, day-and-night)
0
matter of fact(expression, adjective, idiom, dishonest, equivocal)
0
protracted(adjective, halting, day-and-night, seasonal)
0
spun out(expression, adjective, limited, brief)
0
sustained(adjective, ending, seasonal, hard-headed)
0
unending(adjective, irregular, broken, finite)
0
without end(expression, adjective, irregular, restricted, broken)
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APASmart Define. (2016). interrupted thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/interrupted/thesaurus/antonyms
ChicagoSmart Define. 2016. "interrupted thesaurus" https://smartdefine.org/interrupted/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2016, interrupted thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/interrupted/thesaurus/antonyms>.
MLASmart Define. "interrupted thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/interrupted/thesaurus/antonyms>