Reverse Dictionary: NON-ESSENTIAL

ADJECTIVES
► ACCIDENTARY having the nature of a logical accident; non-essential → c1555 obs.
► ACCIDENTIAL characterized by non-essential qualities → 1811
► ADVENTIOUS non-essential, incidental as addition → 1641 obs.
► ADVENTITIAL non-essential; incidental as addition → 1607 obs.
► ADVENTITIOUS non-essential; incidental as addition → 1603
► CASUAL non-essential → 1398 obs.

ADVERBS
► ACCIDENTLY non-essentially, incidentally, as a secondary effect → 1506 obs.

NOUNS
► ADVENTION a non-essential addition → c1400 obs.
► ADVENTITIAL that which is non-essential → 1652 obs.
► ADVENTITION that which is non-essential; an incidental addition → 1671 obs.