Meaning of -FUL in English

-FUL

[-ful] adj suffix, sometimes -ful.ler sometimes -ful.lest [ME, fr. OE, fr. full, adj] 1: full of "prideful"

2: characterized by "peaceful"

3: having the qualities of "masterful"

4: tending, given, or liable to "helpful"

[2]-ful n suffix: number or quantity that fills or would fill "roomful"

Merriam-Webster English vocab.      Английский словарь Merriam Webster.