adj, verb — 8 senses
UK /ɪmˈpɹɒp.ə/ · US /ɪmˈpɹɑ.pɚ/
Etymology From Middle French impropre, from Latin improprius (“not proper”), from in- + proprius (“proper”). By surface analysis, im- + proper.
Unsuitable to needs or circumstances; inappropriate; inapt.
Not in keeping with conventional mores or good manners; indecent or immodest.
Not according to facts; inaccurate or erroneous.
Not consistent with established facts; incorrect.
Not properly named; See, for example, improper fraction.
Obsolete Not specific or appropriate to individuals; general; common.
Mathematics, Sciences Of a complex random variable, correlated with its conjugate.
Etymology From Middle English empropren, perhaps from an unattested Anglo-Norman variant enproprier of Anglo-Norman apropr(i)er, approprier, related to modern French approprier.
Obsolete To appropriate; to assign (something, to someone) as a possession or prerogative.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.