bosomy UK /ˈbʊz(ə)mi/US /ˈbʊzəmi/ adjective2 •Having a large bosom. •Full of sheltered hollows or recesses.[…] I beheld, in momentary sun, / One of thy hills gleam bright and bosomy, / Just like that orb of orbs, a human one, / Let forth by chance upon a lover's eye. — 1815 formsbosomier · more bosomy · bosomiest · most bosomy