keep from (verb) abstain: hold back from doing
Sinonime: austere,
bitter,
brutal, comfortless,
cruel, cussed, discourteous,
dour,
grim, gruff,
hairy*,
hard, hard-boiled, hard-nosed, hard-shell,
mean, pitiless, punitive,
relentless,
rude,
ruthless,
severe,
sharp,
stern,
stringent,
tough, uncivil, unfeeling, ungracious, unkind,
unpleasant,
unrelenting,
wickedAntonime: courteous,
kind,
nice,
polite