Handsome man in Russian is красивый мужчина (krasivyy muzhchina).
very handsome
ademi jigit (handsome young man), ademi erkek (handsome man)
Ty krasiviy Vy privlekatel'niye/krasiviye
ademi jigit (handsome young man), ademi erkek (handsome man)
Пожилой человек is how you say old man in Russian.
Es (you are) vir pulcher (a handsome man, literally a man handsome). Es vir pulcher.
Goedemorgen aantrekkelijke man
hombre atractivo
Fear dóighiúil
He is a handsome fellow. Он красивый мужчина. Красивый - pronounced - kra-seevy
You could say 'muy guapo' (presuming you are talking about a man) or to really emphasis how handsome someone is, you could say 'guapísimo'.
To sign "handsome man" in American Sign Language, you would sign "handsome" by brushing your flat hand against your chin and then sign "man" by tapping your forehead with a flat hand.