பொருள் : A tense of verbs used in describing action that is on-going.
ஒத்த சொற்கள் : continuous tense, imperfect tense, progressive, progressive tense
பொருள் : Not perfect. Defective or inadequate.
							எடுத்துக்காட்டு : 
							Had only an imperfect understanding of his responsibilities.
							Imperfect mortals.
							Drainage here is imperfect.
							
Being complete of its kind and without defect or blemish.
A perfect circle.