Indecorous
Pronunciation : In`de*co"rous
Part of Speech : a.
Etymology : [L. indecorous. See In- not, and Decorous.]
Definition : Defn: Not decorous; violating good manners; contrary to good breeding or etiquette; unbecoming; improper; out of place; as, indecorous conduct. It was useless and indecorous to attempt anything more by mere struggle. Burke.
Syn. -- Unbecoming; unseemly; unbefitting; rude; coarse; impolite; uncivil; ill-bred.
Source : Webster's Unabridged Dictionary, 1913