insipid

Synonyms: anemic arid banal beige blah bland characterless colorless commonplace dead drab driveling dry feeble flat ho-hum inane innocuous jejune lifeless limp mild mundane nebbish nothing ordinary plain pointless prosaic prosy slight soft spiritless stale stupid subdued tame tedious tenuous thin tired trite unimaginative vapid watery weak weariful wearisome wishy-washy

Antonyms: exciting exhilarating interesting pleasing

Synonyms: bland distasteful flat flavorless jejune mild savorless stale unappetizing unpalatable unsavory vapid watereddown watery

Antonyms: appetizing delicious tasty yummy