Definitionen
1.NounSomeone who is unwilling to settle for anything that is not perfect or does not meet extremely high standards. .mw-parser-output .defdate{font-size:smaller}
2.NounSomeone who thinks that religious or moral perfection can be attained in this life.
3.NounOne of the Bible Communists or Free-lovers, a small American sect founded by J. H. Noyes (1811-86), which settled at Oneida in 1848, holding that the gospel if accepted secures freedom from sin.
4.AdjectiveDemanding perfection; being a perfectionist; imposing overly high standards."perfectionistic parents"
5.AdjectiveInclined or related to perfectionism.