1
serried
1
smooth
1
stable
1
stop-and-go(adjective, irregular, erratic, infrequent, recurrent)
1
straight
1
systematic
1
thematic
1
thick-coming
1
twenty-four-hour
1
unbroken
1
unceasing
1
undifferentiated
1
undulant
1
undulatory
1
unending
1
uneven
1
unintermitted
1
unintermittent
1
unintermitting
1
uninterrupted
11 years ago|9k views|share |citing 
APASmart Define. (2015). periodic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/periodic/thesaurus/synonyms
ChicagoSmart Define. 2015. "periodic thesaurus" https://smartdefine.org/periodic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, periodic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/periodic/thesaurus/synonyms>.
MLASmart Define. "periodic thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/periodic/thesaurus/synonyms>