AL'TER, verb transitive [Latin alter another. See Alien.]

1. To make some change in; to make different in some particular; to vary in some degree, without an entire change.

My covenant will I not break, nor alter the thing that has gone out of my lips. Psalms 89:34.

2. To change entirely or materially; as, to alter an opinion. In general, to alter is to change partially; to change is more generally to substitute one thing for another, or to make a material difference in a thing.

AL'TER, verb intransitive To become, in some respects, different; to vary; as, the weather alters almost daily.

The law which altereth not. Daniel 4:1.