low-grade
adjective
ukusof abadqualityorlowlevel:
Expandingcarownershipand low-gradegasolinehave madetraffictheleadingsourceofairpollutioninmajorChinesecities.
low-gradejobs/work
FINANCE
used todescribefinancialproductswith a highlevelofrisk:
Theriskofdefaultis high on theselow-gradebonds.
Compare
high-grade