FAQs About the word firm (up)

firm up

to assure a steady flow of (as hydroelectric power) by means of a reserve supplementary source of electric power

freeze,harden,concrete,Congeal,inlay,harden,set,solidify,Stiffen,anneal

liquefy,soften,dissolve,flux,fuse,liquefy,melt,smelt,thaw,deliquesce

firings => sackings, firing (up) => firing (up), fireworks => fireworks, firewaters => firewater, firesides => Firesides,