-ful

1 of 2

adjective suffix

sometimes -fuller; sometimes -fullest

1

: full of

prideful

2

: characterized by

peaceful

3

: having the qualities of

masterful

4

: tending, given, or liable to

helpful

-ful

2 of 2

noun suffix

: number or quantity that fills or would fill

roomful

Word History

Etymology

Adjective suffix

Middle English, from Old English, from full, adj

Kids Definition

-ful

1 of 2 adjective suffix

fəl

1

: full of

joyful

2

: characterized by

peaceful

3

: having the qualities of

masterful

4

: tending, given, or liable to

mournful

helpful

-ful

2 of 2 noun suffix

ˌfu̇l

: number or quantity that fills or would fill

roomful

Etymology

Adjective suffix

Old English -ful "full"