Added 10 October 2026 boyishly adverb Categories: Describing WordsRare Words adverb ! Definition from WordNet 3.1, Princeton University. More about boyishly at Wordnik → Where our words come from → Like a boy. he smiled boyishly at his fiancee Related Words: boylikeschoolboyishlytomboyishlychildishlygirlishlybabyishlyyouthfullybabishlymannishlycoyishlypuppyishlyunchildishly Back to today's word