Kyūjitai form of 固体: solid

hard; to harden / to set; to solidify

硬い: keeping its physical shape or appearance under a force: stiff / 固い: keeping its shape or behaviour even under other influences: hard, firm

hard / tight / strong; firm / strict / inflexible

change in society, climate, or condition, transformation, variety / variation / declension / (sumo) a step to one side during the tachiai, the initial charge at the start of a sumo match; a sidestep

to change, to vary

goblin, ghost; an apparition

material, substance

body

(physics) solid phase