boyish
boy|ish /b'ɔɪɪʃ/
1 [ADJ] usu ADJ n
If you describe a man as boyish, you mean that he is like a boy in his appearance or behaviour, and you find this characteristic quite attractive.
She was relieved to see his face light up with a boyish grin...
He loves to learn, and has a boyish enthusiasm for life.
● boyishly [ADV]
John grinned boyishly.
2 [ADJ]
If you describe a girl or woman as boyish, you mean that she looks like a boy, for example because she has short hair or small breasts.
...her tall, boyish figure.
1 [ADJ] usu ADJ n
If you describe a man as boyish, you mean that he is like a boy in his appearance or behaviour, and you find this characteristic quite attractive.
She was relieved to see his face light up with a boyish grin...
He loves to learn, and has a boyish enthusiasm for life.
● boyishly [ADV]
John grinned boyishly.
2 [ADJ]
If you describe a girl or woman as boyish, you mean that she looks like a boy, for example because she has short hair or small breasts.
...her tall, boyish figure.