-ful
/fʊl/suffix
1
- (forming adjectives from nouns) full of［从名词构成形容词］表示“充满…的”：
sorrowful.
1.1
- having the qualities of表示“有…特征的”：
masterful.
2
- forming adjectives from adjectives or from Latin stems with little change of sense［从形容词或拉丁词干构成形容词, 词意基本不变］：
grateful.
3
- (forming adjectives from verbs) apt to; able to; accustomed to［从动词构成形容词］表示“易于…的”; “能…的”; “习惯于…的”：
forgetful
watchful.
4
- (pl. -fuls) forming nouns denoting the amount needed to fill the specified container, holder, etc.构成名词表示“充满（某特定容器或支架等）所需的量”：
bucketful
handful.
词源
from FULL.