Definition of -ful in English:

-ful

suffix

  • 1(forming adjectives from nouns) full of.

    ‘sorrowful’
    1. 1.1Having the qualities of.
      ‘masterful’
  • 2Forming adjectives from adjectives or from Latin stems with little change of sense.

    ‘grateful’
  • 3(forming adjectives from verbs) apt to; able to; accustomed to.

    ‘forgetful’
    ‘watchful’
  • 4Forming nouns denoting the amount needed to fill the specified container, holder, etc.

    ‘bucketful’
    ‘handful’

Origin

From full.

Pronunciation

-ful

/fʊl/ /f(ə)l/