1.
[syn: bland, flat, flavorless, flavourless, insipid, savorless, savourless, vapid]
The Collaborative International Dictionary of English v.0.48:
flavourless \flavourless\ adj.
same as flavorless. [Chiefly Brit.]
Syn: bland, flat, flavorless, insipid, savorless.
[WordNet 1.5]
WordNet (r) 3.0 (2006):
flavourless
adj 1: lacking taste or flavor or tang; "a bland diet"; "insipid
hospital food"; "flavorless supermarket tomatoes"; "vapid
beer"; "vapid tea" [syn: bland, flat, flavorless,
flavourless, insipid, savorless, savourless,
vapid]