adj. & adv.
predic.adj. 1 a without others present (they wanted to be alone; the tree stood alone). b without others' help (succeeded alone). c lonely and wretched (felt alone). 2 (often foll. by in) standing by oneself in an opinion etc. (was alone in thinking this).
adv. only, exclusively (you alone can help me). go it alone act by oneself without assistance. aloneness n.
[ ME f. ALL + ONE ]