/ suːˈpɜːfluəs; sjuː-; NAmE suːˈpɜːrf-/ adjective
more than you need or want
SYN unnecessary :
She gave him a look that made words superfluous.
► su·per·flu·ity / ˌsuːpəˈfluːəti; ˌsjuː-; NAmE ˌsuːpərˈf-/ noun [ U , sing. ] ( formal )
► su·per·flu·ous·ly adverb
••
WORD ORIGIN
late Middle English : from Latin superfluus , from super- over + fluere to flow.