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alter

verbnounnouncommon in dialogue

  • United Kingdom//ˈɒl.tə//
  • United Kingdom//ˈɔːl.tə//
  • United States//ˈɔl.təɹ//
  • //ˈɑl.təɹ//

To change the form or structure of.

verb

  1. 1

    To change the form or structure of.

    Near-synonym: tweak

    No power in Venice can alter a decree.

    Lou's not Times foole, though roſie lips and cheeks VVithin his bending ſickles compaſſe come, Loue alters not with his breefe houres and vveekes, But beares it out euen to the edge of doome: If this be error and vpon me proued, I neuer vvrit, nor no man euer loued.

    My covenant will I not break, nor alter the thing that is gone out of my lips.

  2. 2

    To become different.

    […] Passing the song of the hermit bird and the tallying song of my soul, / Victorious song, death’s outlet song, yet varying ever-altering song, […]

    All of these statistics are expected to alter, however, as they are altering in nearly all demographic areas.

  3. 3

    To tailor clothes to make them fit.

  4. 4

    To castrate, neuter or spay (a dog or other animal).

  5. 5

    To affect mentally, as by psychotropic drugs or illness.

    We don't know if he was altered on alcohol or drugs or anything […]

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.

noun

  1. 1

    One of the personalities, identities, or selves in a person with dissociative identity disorder or another form of multiplicity.

    While the second goal would be best met if each alter were coconscious, the defendant should be satisfied if at least one competent alter is present to hear what transpires.

Etymology

Probably from alter ego.

noun

  1. 1

    Variant of altarMisspelling of altar.

    As an alter boy he remembered that walking between the alter and the gates was prohibited for everyone except the priest.

    The hardest part of being an alter boy was learning Latin. The mass was conducted in Latin and we had to learn to pray in Latin.

    On the alter, several candles sat unlit. An open bible rested among the candles. Behind the alter, hanging high, a huge cross was affixed to the wall, with a replica of Jesus in rags nailed to it. A simple wooden door stood closed behind the alter […]

    Truth motioned to Alexandra, “There; the key is kept on the alter.” She spotted it easily, for it was now well lighted by an amber colored presence light. She and the others moved quickly toward the alter.

Forms

plural
alters
past tense
altered
past participle
altered
present participle
altering
third person singular
alters
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).