-mattomuus

Finnish

Etymology

-maton +‎ -uus

Suffix

-mattomuus (front vowel harmony variant -mättömyys, linguistic notation -mAttOmUUs)

1. A deverbal suffix that, when attached to the stem of a verb, transforms the verb to a noun which means lack of activity, failure or refusal to do something. The stem is often modified in the process.

   ‎juoda (“to drink”) + ‎-mattomuus → ‎juomattomuus (“(the act of) not drinking”)

Antonyms

• -vuus
• -minen