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"
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"
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"