unscrupulous
un- + scrupulous
→scruple
no qualms
adjective
having or showing no moral principles; not honest or fair:
不実な, 破廉恥な, 無節操な, 法に反した
e.g. unscrupulous landlords might be tempted to harass existing tenants.
DERIVATIVES
unscrupulously |ˌənˈskro͞opyələslē| adverb
unscrupulousness |ˌənˈskro͞opyələsnəs| noun