pen pal definition
uk â /Ëpen ËpÃ¦l/ us â /Ëpen ËpÃ¦l/ UK pen friend. A2 someone who you exchange letters with as a hobby, but usually have not met: I've got a pen pal in Australia. Thesaurus: synonyms and related words. Friends, acquaintances & contemporaries. a friend in need is a friend indeed idiom. acquaintance. acquainted. bedmate.