US /ˈɔl.təɹ/ UK /ˈɒl.tə/
verb Freq #7723

Meanings

  1. 1
    verb

    To change something, or make it different.

    They had to alter their plans because of the rain.

  2. 2
    verb

    To change the size or shape of clothes so they fit better.

    I had the dress altered to fit my shoulders.

  3. 3
    verb

    To become different.

    His mood altered the moment she walked in.

Thesaurus

Synonyms
1 verb · to change something, or... changemodifytweak
3 verb · to become different. change
Opposites
Word family
Forms alteredalteringalters
Derived forms alter-egoalter-globalistalter-globalizationalterabilityalterablealterablyalterativealtereralteringlymind-alteringmisalterprealter
Related forms alterantalterationalternatealternative

Etymology

From Old French alterer (French altérer), from Medieval Latin alterāre (“to make other”), from Latin alter (“the other”), from al- (seen in alius (“other”), alienus (“of another”), etc.; see alias, alien, etc.) + compar. suffix -ter.

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Topics

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