not soft or yielding to pressure; "a firm mattress"; "the snow was firm underfoot"; "solid ground"
firm
- (englanti) firmness (derivationally related)
- (suomi) tukeva (synonyymi)
solid
- (englanti) solidness (derivationally related)
- (englanti) solidity (derivationally related)
- (suomi) tukeva (synonyymi)