English version

bachelor

From Longman Dictionary of Contemporary Englishbachelorbach‧e‧lor /ˈbætʃələ $ -ər/ ●○○ noun [countable]  1 MARRYa man who has never been married Gerald was 38, and a confirmed bachelor (=a man who has decided that he will never marry). The Crown Prince was Japan’s most eligible bachelor (=a rich young man who has not yet married).see thesaurus at married2 Bachelor of Arts/Science/Education etc
Examples from the Corpus
bachelorHis home had the look of a bachelor flat - clean but empty.Uncle Bill was a bachelor, and I liked biding with him best.Jim moved to another state, defaulted on child-support payments, and proceeded to live the life of a care free bachelor.Ben was the only bachelor among all the married couples and felt quite out of place.Now that Derek's bachelor days were over he'd have to start behaving in a more responsible manner.This dated back to Roman times when bachelors led the bride to the ceremony and married men escorted her back.eligible bachelorMany would regard him, I think, as an eligible bachelor.I have it on good authority, meanwhile, that Manny is an eligible bachelor.