Imperfect
Imperfect noun - A tense of verbs used in describing action that is on-going.
Past progressive and imperfect are semantically related. In some cases you can replace phrase "Past progressive" with "Imperfect", this terms are similar.
Nearby Words: imperfection, imperfectly
Past progressive
Past progressive noun - A progressive tense used to describe on-going action in the past.
Usage example: `I had been running' is an example of the past progressive
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Synonyms for Past progressive
Imperfect and past progressive are semantically related. You can use "Imperfect" instead a noun phrase "Past progressive".
Mutual synonyms
Cite this Source
Past progressive and Imperfect. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/imperfect/past_progressive
Imperfect & Past progressive. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/imperfect/past_progressive>.
Past progressive or Imperfect. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/imperfect/past_progressive.
Google Ngram Viewer shows how "imperfect" and "past progressive" have occurred on timeline