The hobby or pastime of communicating by two-way radio, often striving for “DX” QSOs that are challenging because of distance.

(chiefly US) An event, particularly on radio or television, showcasing the talents of amateur performers.

A session in a club, theatre etc. in which amateurs perform, rather than professionals.

plural of amateur night

plural of amateur hour

A person who practises the hobby of amateur radio. Radio amateurs must possess a licence issued by the relevant authority in the country in which they live, and must pass an exam before they can obtain a licence to operate.

plural of radio amateur

plural of amateur press association

A group of people who collaborate on publishing a periodical for distribution internally to the group.

Suggesting or reflecting the efforts of an amateur; not seeming professional or polished.