solidify Antonyms

light a fire run powder oppose obstruct melt liquidize liquefy liquate fuse smelt smelting soften make thin be against melt down unthaw dethaw liquify unfreeze thaw thawing fluidize fight dissolve contradict contest confront comminute combust combat colliquate challenge assail controvert counter counteract dissent dispute disconnect disapprove disappear disagree deny deliquesce defy achieve