Definition of youthfully in US English:

youthfully

adverb

  • See youthful

    • ‘If you simply believe you're young and behave youthfully, you'll look and feel the part, says plastic surgeon Bruce.’
    • ‘They were idiotically, youthfully and foolishly in love and enjoying every minute of it.’
    • ‘Her earliest exhibited pieces were thoughtful and ambitious, if youthfully tendentious.’
    • ‘He looked down at the words, ran his fingers over the youthfully ragged writing.’
    • ‘Most of her fair locks had been pinned up, but a few had been curled and they framed her face youthfully.’