| 1. | separate, apart, or isolated from others: I want to be alone. |
| 2. | to the exclusion of all others or all else: One cannot live by bread alone. |
| 3. | unique; unequaled; unexcelled: He is alone among his peers in devotion to duty. |
| 4. | solitarily; solely: She prefers to live alone. |
| 5. | only; exclusively. |
| 6. | without aid or help: The baby let go of the side of the crib and stood alone. |
| 7. | leave alone,
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| 8. | let alone,
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| 9. | let well enough alone, to be satisfied with the existing situation; refrain from attempting to change conditions: Marriages are often destroyed by relatives who will not let well enough alone. |