Definition of resentfulness in US English:

resentfulness

noun

  • See resentful

    • ‘What should have been profound displays of bitterness and resentfulness were often delivered with comedic timing, so that the audience was laughing at some of the more serious lines of the play.’
    • ‘Law will not change anxiety, bitterness, resentfulness, lust, grandiosity and avarice.’
    • ‘She kept up appearances but, on the inside, she reportedly swung between acceptance, resentfulness and despondency.’
    • ‘Let us not put any blame on anyone but simply deal with it and move on without resentfulness or revenge.’
    • ‘Apparently she hadn't noticed the resentfulness or chose to ignore it.’