Single as regards number, or as regards class or kind; one and no more or other; single; sole: as, he was the only person present; the only answer possible; an only son; my only friend; the only assignable reason.Alone; nothing or nobody but.Mere; simple.Single in degree or excellence; hence, distinguished above or beyond all others; special.Alone; no other or others than; nothing or nobody else than; nothing or nobody but; merely: as, only one remained; man cannot live on bread only.No more than; merely; simply; just: as, he had sold only two.In but one manner, for but one purpose, by but one means, with but one result, etc.; in no other manner, respect, place, direction, circumstances, or condition than; at no other time, or in no other way, etc., than; for no other purpose or with no other result than; solely; exclusively; entirely; altogether: as, he ventured forth only at night; he was saved only by the skin of his teeth; he escaped the gallows only to be drowned; articles sold only in packages.Above all others; preëminently; especially.Singly; with no other in the same relation: as, the only begotten Son of the Father.Synonyms 1-3. Alone, Only. See alone.But; except; excepting that.Except; with the exception of.