1. Befitting or characteristic of a young boy
   - boyish, schoolboyish

1. Like a boy
   - boyishly

See also: immature, young

• monograph
• monogynic
• monogynist
• monogynous
• monogyny
• monohull
• monohybrid
• monohybrid cross
• monohydrate
• monoicous
• monolatry
• monolingual
• monolingually
• monolith
• monolithic
• monologist
• monologue
• monologuise
• monologuize
• monomania
• monomaniac
• monomaniacal
• monomer
• monometallic
• monometer