severe

harsh relentless serious strict stringent

ascetic astringent austere biting caustic close cold cruel cutting despotic disapproving dour earnest firm flinty forbidding grave grim hard hard-nosed inconsiderate inexorable inflexible iron-handed obdurate oppressive peremptory pitiless resolute resolved rigid rigorous satirical scathing sober stern stiff strait-laced tight-lipped tyrannical unalterable unbending unchanging unfeeling unrelenting unsmiling unsparing

kind

amenable calm compromising easy easygoing facile friendly mild temperate willing

acute bitter dangerous drastic extreme fierce heavy intense punishing serious sharp tough violent

arduous bleak consequential critical demanding distressing domineering effortful exacting forbidding grave grim grinding hard hefty implacable inclement intemperate mordant oppressive overbearing pitiless rugged strenuous taxing toilsome unpleasant unrelenting weighty wicked

bland blunt calm dull easy gentle light mild moderate peaceful tender trivial unimportant

amenable easygoing