aloner adjective 1noun 1forms 1 adjective1 •(nonstandard) More alone or isolated.So sick, so alone. And now. Sicker, aloner. Was not that something? — 1953 noun1 •A person who enjoys being alone, but without the antisocial connotations of being a "loner".If you are an aloner, you are self-reliant and autonomous, and relatively introverted. You don't need the company of others to buoy you up; […] — 2005 formsaloners