1.AdjectiveSexually and/or romantically attracted to members of the same sex, such as a man who is attracted to men or a woman who is attracted to women; gay.
"No, it wouldn't make a difference if the applicant was homosexual."
2.AdjectiveBetween two people of the same sex; gay.
"Most western countries have repealed laws against homosexual activity between consenting adults."
3.AdjectiveIntended for or used by homosexuals, as a nightclub, a bar, etc.
4.NounA person who is sexually attracted solely or primarily to others of the same sex.