adjective
Synonyms: insipid 3, driveling, flat, innocuous, jejune, milk-and-water, namby-pamby, sapless, vapid, wishy-washy
Related Word: asinine, fatuous, foolish, silly; idle, vain; blank, empty, hollow
Contrasted words: expressive, meaningful, pregnant, significant, weighty
Antonyms: deep, profound