1. (a.) One alone; single; as, the only man present; his only occupation.

2. (a.) Alone in its class; by itself; not associated with others of the same class or kind; as, an only child.

3. (a.) Hence, figuratively: Alone, by reason of superiority; preeminent; chief.

4. (a.) In one manner or degree; for one purpose alone; simply; merely; barely.

5. (a.) So and no otherwise; no other than; exclusively; solely; wholly.

6. (a.) Singly; without more; as, only-begotten.

7. (a.) Above all others; particularly.

8. (conj.) Save or except (that); -- an adversative used elliptically with or without that, and properly introducing a single fact or consideration.

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