vapid
ˈvapɪd/
adjective
adjective: vapid
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offering nothing that is stimulating or challenging; bland.“tuneful but vapid musical comedies”
synonyms: insipid, uninspired, colourless, uninteresting,feeble, flat, dead, dull, boring, tedious, tired,unexciting, uninspiring, unimaginative, lifeless,zestless, spiritless, sterile, anaemic, tame,bloodless, jejune, vacuous, bland, stale, trite,pallid, wishy-washy, watery, tasteless, milk-and-water, flavourless “tuneful but vapid musical comedies”
Origin
mid 17th century (used originally in description of drinks as ‘lacking in flavour’): from Latin vapidus .
How my heart sings 