subaverage

adjective
sub·​av·​er·​age | \ ˌsəb-ˈa-v(ə-)rij How to pronounce subaverage (audio) \
variants: or sub-average

Definition of subaverage

: of a lower level or quality than some norm : below average subaverage intellectual functioning a subaverage hotel subaverage pay

First Known Use of subaverage

1893, in the meaning defined above

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