INSIPID

without taste or flavor

lacking in spirit

bland

lacking taste or flavor or tang
SYN - bland, flat, flavorless, savorless, vapid
"insipid hospital food"

"It wasn't that there was anything wrong with her it was just that she had a rather insipid personality - and he wanted someone with some life and flavor."

"It was an insipid steak and they swore never again to come to the overpriced restaurant."

"He was no longer gonig to content himself with the insipid T.V. dinners, but rather he would treat himself to a home-cooked meal at his mothers."