| O. | American writer of short stories whose pen name was O. Henry (1862-1910) |
|---|---|
| O. | dose too heavily |
| O. | an unabridged dictionary constructed on historical principles |
| O. | an endorsement |
| O. | give sanction to |
| O. | (informal) in a satisfactory or adequate manner |
| O. | (informal) being satisfactory or in satisfactory condition |