| 1. | smallest in size, amount, degree, etc.; slightest: He gave the least amount of money of anyone. |
| 2. | lowest in consideration, position, or importance. |
| 3. | something that is least; the least amount, quantity, degree, etc. |
| 4. | South Midland U.S. the youngest in a family or group. |
| 5. | to the smallest extent, amount, or degree: That's the least important question of all. He talks least. |
| 6. | at least,
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| 7. | not in the least, not in the smallest degree; not at all: I am not in the least concerned about the outcome of the World Series. |