v. al·tered, al·ter·ing, al·ters
1. To change or make different; modify: altered my will.
2. To adjust (a garment) for a better fit.
3. To castrate or spay (an animal, such as a cat or a dog).
To change or become different.
[Middle English alteren, from Old French alterer, from Medieval Latin alterāre, from Latin alter, other; see al-1 in the Appendix of Indo-European roots.]
al′ter·a·bili·ty, alter·a·ble·ness n.
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