n. One who is attached to another by feelings of personal regard and preference; one who entertains for another sentiments which lead him to seek his company and to study to promote his welfare.n. One not hostile; one of the same nation, party, or kin; one at amity with another; an ally: opposed to foe or enemy.n. One who is favorable, as to a cause, institution, or class; a favorer or promoter: as, a friend of or to commerce; a friend of or to public schools.n. Used as a term of salutation, or in familiar address.n. [capitalized] A member of the Society of Friends; a Quaker.n. A lover, of either sex.n. In Scotslaw, a tutor or curator.n. Synonyms Companion, Comrade, etc. See associate.n. Patron, advocate, partizan, well-wisher.To befriend.