He was able to lift the safe without help, by sheer brute strength.
2 animal, beast, savage:
He wrote that man was the middle link between angels and brutes. George behaved like an absolute brute to her.
Advanced English Dictionary
noun, adjective +noun 1 (sometimes humorous) a man who treats people in an unkind, cruel way: His father was a drunken brute. + You've forgotten my birthday again, you brute! + an ugly brute 2 a large strong animal +adjective[only before noun] 1 involving physical strength only and not thought or intelligence: brute force / strength 2 basic, simple and unpleasant: the brute facts of inequality + Their desire for independence has to do with brute economics.
Random quote: Do not go where the path may lead, go instead where there is no path and leave a trail.: Ralph Emerson