adj.
Pronunciation: ˌ nän-st ə - ' ro ̇ i-d ə l
Variant: also non · ste · roid \ ' nän- ' stir- ˌ o ̇ id, - ' ster- \
Function: adjective
Date: 1964
: of, relating to, or being a compound and especially a drug that is not a steroid <a nonsteroidal painkiller>
– nonsteroid noun