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side·line
 sideline
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- pronunciation:
- saId
laIn
| part of speech: |
noun |
| definition 1: |
a line at the side of an area; the side boundary of a playing field.
The football player stepped over the sideline. |
| definition 2: |
a business or activity that a person carries out in his or her spare time.
His business was selling books, but he sold candles as a sideline. |
| related words: |
hobby, pastime |
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