alterest

Verb

alter (third-person singular simple present alters, present participle altering, simple past and past participle altered)

1. (ambitransitive) To change the form or structure of.
   • Near-synonym: tweak

   Synonyms:

   tweak

2. (intransitive) 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, […]1865, Walt Whitman, “When Lilacs Last in the Dooryard Bloom’d”, in Sequel to Drum-Taps: When Lilacs Last in the Dooryard Bloom’d and other poems
3. (transitive) To tailor clothes to make them fit.
4. (transitive) To castrate, neuter or spay (a dog or other animal).
5. (transitive) To affect mentally, as by psychotropic drugs or illness.
   • We don't know if he was altered on alcohol or drugs or anything […]2016 February 10, Sydney Pruitt and Claire Ricke (quoting Jeff Barrick), "Police: Man lying in street hit, killed by Capital Metro bus", KXAN

See all 6 meanings of alter