Pronunciation: (ōn'lē),[key] —adv. 1. without others or anything further; alone; solely; exclusively: This information is for your eyes only. 2. no more than; merely; just: If it were only true! I cook only on weekends. 3. as recently as: I read that article only yesterday. 4. in the final outcome or decision: You will only regret your harsh words to me. 5. only too, a. as a matter of fact; extremely: I am only too glad to go. b. unfortunately; very: It is only too likely to happen.
—adj. 1. being the single one or the relatively few of the kind: This is the only pencil I can find. 2. having no sibling or no sibling of the same sex: an only child; an only son. 3. single in superiority or distinction; unique; the best: the one and only Muhammad Ali.
—conj. 1. but (introducing a single restriction, restraining circumstance, or the like): I would have gone, only you objected. 2. Older Use.except; but: Only for him you would not be here.