The Collaborative International Dictionary
flavorless \fla"vor*less\, a. Without flavor; tasteless. Opposite of flavorful.
Syn: bland, flat, flavourless, insipid, savorless.
Douglas Harper's Etymology Dictionary
1730, from flavor (n.) + -less. Related: Flavorlessly; flavorlessness.
Wiktionary
a. 1 Lacking taste or flavor; without seasoning, spice, or discernible qualities of taste. 2 flat; lacking character or definition.
WordNet
adj. lacking taste or flavor or tang; "a bland diet"; "insipid hospital food"; "flavorless supermarket tomatoes"; "vapid beer"; "vapid tea" [syn: bland, flat, flavourless, insipid, savorless, savourless, vapid]
Usage examples of "flavorless".
Guda served us water crackers as crisp and flavorless as slate, mounded with soft herb cheese infused with garlic.
As one of her classmates had informed her while she gazed in horror at a bowl of flavorless cereal masquerading as breakfast, "
Not for, perhaps, tranquilizers, which were flavorless, and which in sufficient quantity would certainly have sent a driver to sleep.
Confronted with a glass case filled with twenty-seven types of pizza or a food court stand offering 126 possible permutations of pretzel, I just wish for a nice cup of tea and a simple, virtually flavorless bun, but I'm afraid I am the only person in the house who feels that way.