alter

[ awl-ter ]
/ ˈɔl tər /

verb (used with object)

to make different in some particular, as size, style, course, or the like; modify: to alter a coat; to alter a will; to alter course.
to castrate or spay.

verb (used without object)

to change; become different or modified.

Origin of alter

1350–1400; Middle English < Old French alterer < Late Latin alterāre to change, worsen, derivative of Latin alter other

synonym study for alter

1. See adjust, change.

OTHER WORDS FROM alter

WORDS THAT MAY BE CONFUSED WITH alter

altar alter

Definition for alter (2 of 5)

Alter
[ awl-ter ]
/ ˈɔl tər /

noun

David,1807–81, U.S. physicist.

Definition for alter (3 of 5)

alt
[ alt ]
/ ælt /
Music.

adjective

high.

noun

in alt, in the first octave above the treble staff.

Origin of alt

1525–35; < Provençal < Latin altum, noun use of neuter of altus high

Definition for alter (4 of 5)

alter.

Definition for alter (5 of 5)

alter idem
[ ahl-ter ee-dem; English awl-ter ahy-dem, al- ]
/ ˈɑl tɛr ˈi dɛm; English ˈɔl tər ˈaɪ dɛm, ˈæl- /

noun Latin.

another exactly the same.

Example sentences from the Web for alter

British Dictionary definitions for alter (1 of 2)

alter
/ (ˈɔːltə) /

verb

to make or become different in some respect; change
(tr) informal, mainly US a euphemistic word for castrate, spay

Derived forms of alter

alterable, adjective alterably, adverb alterability, noun

Word Origin for alter

C14: from Old French alterer, from Medieval Latin alterāre to change, from Latin alter other

British Dictionary definitions for alter (2 of 2)

alt
/ (ælt) music /

adjective

(esp of vocal music) high in pitch
of or relating to the octave commencing with the G above the top line of the treble staff

noun

in alt in the octave directly above the treble staff

Word Origin for alt

C16: from Provençal, from Latin altus high, deep

Medical definitions for alter

ALT
[ ā′ĕl-tē ]

n.

alanine aminotransferase