Tasteless

俗

Common, Culture, Customs, Layman, Tasteless, Trite, Unrefined, Vulgar, Worldly

淡

Desalinated, Diluted, Easily, Fresh, Indifferent, Insipid, Light, Simple, Tasteless, Uncaring, Watered, Weak

無味

Dry, Dull, Flavorless, Tasteless, Unappetizing, Unattractive, Uninteresting, Unpalatable

索然無味

Boring, Tasteless, Uninteresting