ōˈmishən, əˈm- noun
( -s )
Etymology: Middle English omissioun, from Late Latin omission-, omissio, from Latin omissus (past participle of omittere ) + -ion-, -io -ion
1.
a. : apathy toward or neglect of duty : lack of action
allowed themselves to be engulfed … through omission or commission — New York Times Magazine
— compare commission 5
b. : something neglected or left undone
pondered many omissions that night in the rectory's best bedroom — J.D.Beresford
2. : the act of omitting whether by leaving out or by abstention from inserting or by failure to include or perform ; also : the state of being omitted
the omission of clues essential to understanding — J.H.Wheelock
when the omission was discovered, they would send somebody — Margaret Kennedy