| a. | 1. | Having one side only, or one side prominent. |
| 2. | Limited to one side; favoring one person or side over another; partial; unjust; unfair; | |
| 3. | Having one team or party greatly superior; strongly favoring only one side; uneven; imbalanced; unequal; | |
| 4. | (Bot.) Growing on one side of a stem; | |
| 5. | Using only one side, or having only one side usable; | |
| 6. | Performed by only one party or side; - of actions directly affecting more than one party. Opposite of | |
| 7. | out of proportion in shape. | |
| 8. | Not reversible or capable of having either side out; - of cloth fabrics or clothing. Opposite of |
| Adj. | 1. | one-sided - not reversible or capable of having either side out Synonyms: nonreversible |
| 2. | one-sided - involving only one part or side; "unilateral paralysis"; "a unilateral decision" Synonyms: unilateral | |
| 3. | one-sided - out of proportion in shape Synonyms: ill-proportioned, lopsided | |
| 4. | one-sided - favoring one person or side over another; "a biased account of the trial"; "a decision that was partial to the defendant" | |
| 5. | one-sided - excessively devoted to one faction Synonyms: biased |