vapid
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}]
2: lacking significance or liveliness or spirit or zest; "a
vapid conversation"; "a vapid smile"; "a bunch of vapid
schoolgirls"