Questionable and Seriatim

Questionable

Questionable adjective - Giving good reason for being doubted, questioned, or challenged.

Seriatim is an antonym for questionable.

Seriatim

Seriatim adverb - In succession without others coming in between.

Questionable is an antonym for seriatim in itemized topic.
Cite this Source
Seriatim and Questionable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/questionable/seriatim
Questionable & Seriatim. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/questionable/seriatim>.
Seriatim or Questionable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/questionable/seriatim.
Google Ngram Viewer shows how "questionable" and "seriatim" have occurred on timeline