Dictionary definition · imperfect
noun
- a tense of verbs used in describing action that is on-going
adjective
- not perfect; defective or inadequate"had only an imperfect understanding of his responsibilities"
- wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings"I'm only a fallible human"
Source: Open English WordNet (CC BY 4.0).