wishy washy (adjective) wishy-washy: bland, dull
Sinonime: banal, characterless,
cowardly,
enervated,
feeble,
flat, flavorless,
indecisive,
ineffective,
ineffectual,
insipid,
irresolute,
jejune,
languid,
listless,
mediocre, namby-pamby, sapless, spiritless, tasteless,
thin,
vacillating,
vapid, watered-down,
watery,
wavering,
weak, weak-kneed
Antonime: dynamic,
exciting,
interesting,
lively