brutal

adjectives

(of persons or their actions) able or disposed to inflict pain or suffering
"a barbarous crime"; "brutal beatings"; "cruel tortures"; "Stalin's roughshod treatment of the kulaks"; "a savage slap"; "vicious kicks"
is derived from
harsh
"the brutal summer sun"; "a brutal winter"
resembling a beast; showing lack of human sensibility
"beastly desires"; "a bestial nature"; "brute force"; "a dull and brutish man"; "bestial treatment of prisoners"
is derived from
is derived from
disagreeably direct and precise
"he spoke with brutal honesty"
is similar to
straightforward in means or manner or behavior or language or action
"a direct question"; "a direct response"; "a direct approach"