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1. Not perfect.
2. Grammar Of or being the tense of a verb that shows, usually in the past, an action or a condition as incomplete, continuous, or coincident with another action.
3. Botany Having either stamens or a pistil only. Used of a flower.
4. Not reproducing sexually. Used of fungi.
5. Law Potentially unenforceable; limited or defective: an imperfect right of self defense.
1. A piece of merchandise having a minor flaw that does not impair its use, usually sold at a discount.
2. Grammar
a. The imperfect tense.
b. A verb in the imperfect tense.

[Middle English imparfit, from Old French imparfait, from Latin imperfectus : in-, not; see in-1 + perfectus, perfect; see perfect.]

im·per′fect·ly adv.
im·per′fect·ness n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.imperfectness - the state or an instance of being imperfect
state - the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"
failing, weakness - a flaw or weak point; "he was quick to point out his wife's failings"
flaw - an imperfection in a plan or theory or legal document that causes it to fail or that reduces its effectiveness
defect - an imperfection in a bodily system; "visual defects"; "this device permits detection of defects in the lungs"
flaw, fault, defect - an imperfection in an object or machine; "a flaw caused the crystal to shatter"; "if there are any defects you should send it back to the manufacturer"
wart - an imperfection in someone or something that is suggestive of a wart (especially in smallness or unattractiveness)
defectiveness, faultiness - the state of being defective
References in periodicals archive ?
The musicians sometimes also showcased the imperfectness of the Yoruba concept of justice, like Ayinla Omowura who sang that if one does not have a representation in the decision-making council, one's innocence may become guilt (b'eyan o leni ni'gbimo, b'o ro ejo are, ebi lo mi a je).
However, he simultaneously emphasized the imperfectness of the energy-momentum tensor in the accepted form.
The values of P and Q parameters are inside of the confidence interval got by calculation of FEM, only F value is beyond the limits got by finite element modeling that is connected with imperfectness of the polycrystal model (one layer of grains).
She's completely unpolished, and though the imperfectness embarrasses her (she routinely freaks out after performing live), she's also unwilling to fake being more pulled-together.
The managing of agreements between the members of the distribution channel can lead managers to the endeavour to limit the effects of imperfectness of market and get inclined to a more advantageous organization of transactions within the more hierarchical context.