grave

Synonyms: cold sober deadpan dignified dour dull earnest grim grimfaced heavy leaden long-faced meaningful muted no-nonsense ponderous quiet sad sage saturnine sedate sober solemn somber staid strictly business subdued thoughtful unsmiling

Antonyms: cheerful frivolous funny happy ridiculous silly

Synonyms: acute afflictive consequential critical deadly destructive dire exigent fatal fell grievous hazardous heavy important killing life-and-death major momentous of great consequence ominous perilous pressing serious severe significant threatening ugly urgent vital weighty

Antonyms: inconsequential trivial unimportant

Synonyms: catacomb crypt final resting place last home mausoleum mound permanent address place of interment resting place sepulcher shrine six feet under tomb vault