HackerVoca

unrefined : coarse, crude, unpolished, vulgar / / adjective

1 remarks, jokes etc that are vulgar deal with sex in a very rude and offensive way

2 impolite and showing bad manners: vulgar habits

3 especially BrE not showing good judgment about what is beautiful or suitable: a vulgar display of wealth

vulgarly adverb
unrelenting : relentless, implacable, inexorable, harsh, merciless,
pitiless, cruel, ruthless
unsettled : unstable, unsteady, shaky, unfixed, changeable,
infirm
unsophisticated : simple, artless, ingenuous, naive
unstable : infirm, unsteady, precarious / adjective

1 a precarious situation or state is likely to become very dangerous: The refugees live a precarious existence in shanty towns. | a precarious peace

2 someone or something precarious is likely to fall

precariously adverb : a cup of tea balanced precariously on her knee
precariousness noun [uncountable] , inconstant, unsettled