only: Meaning and Definition of

on•ly

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. I am only too glad to go.
1. as a matter of fact; extremely:I am only too glad to go.
2. unfortunately; very:It is only too likely to happen.

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.

1. but (introducing a single restriction, restraining circumstance, or the like): I would have gone, only you objected.
2. except; but: Only for him you would not be here.