What does "imperfect tense" mean?

A tense used to describe a past action that is ongoing, incomplete or continuous, or coincident with another action.

What is a synonym for "imperfect tense"?

Common synonyms include: continuous tense, imperfect, progressive, progressive tense.

noun

noun ·Rare ·Advanced level

Noun

1
A tense used to describe a past action that is ongoing, incomplete or continuous, or coincident with another action.
2
a tense of verbs used in describing action that is on-going wordnet