- bland, flat, flavorless, flavourless, insipid, savorless, savourless, vapid - lacking taste or flavor or tang; "a bland diet"; "insipid hospital food"; "flavorless supermarket tomatoes"; "vapid beer"; "vapid tea"
Antonym: tasteful (indirect, via tasteless)
- vapid - lacking significance or liveliness or spirit or zest; "a vapid conversation"; "a vapid smile"; "a bunch of vapid schoolgirls"
Antonym: stimulating (indirect, via unstimulating)