ALTER meaning: Change or modify something slightly

We found 42 dictionaries that define the word Alter:

General (27 matching dictionaries)

alter: Merriam-Webster
alter: Oxford Learner's Dictionaries
alter: American Heritage Dictionary of the English Language
alter: Collins English Dictionary
alter: Vocabulary.com
Alter, alter: Wordnik
alter: Cambridge Advanced Learner's Dictionary
alter, alter-: Wiktionary
alter: Webster's New World College Dictionary, 4th Ed.
alter: The Wordsmyth English Dictionary-Thesaurus
alter: Infoplease Dictionary
alter, alter: Dictionary.com
alter: Online Etymology Dictionary
alter: Cambridge Essential American English Dictionary
Alter (album), Alter (disambiguation), Alter (name), Alter: Wikipedia, the Free Encyclopedia
Alter: Online Plain Text English Dictionary
alter: Webster's Revised Unabridged, 1913 Edition
alter: Rhymezone
Alter (nt), alter: AllWords.com Multi-Lingual Dictionary
alter: Webster's 1828 Dictionary
alter: FreeDictionary.org
alter: Mnemonic Dictionary
alter: TheFreeDictionary.com
alter: Longman Dictionary of Contemporary English
alter: Merriam-Webster

Art (1 matching dictionary)

alter-: A Cross Reference of Latin and Greek Elements

Business (1 matching dictionary)

alter: Legal dictionary

Computing (2 matching dictionaries)

ALTER: Free On-line Dictionary of Computing
Alter (SQL), alter: Encyclopedia

Medicine (3 matching dictionaries)

alter: Merriam-Webster Medical Dictionary
Alter: Medical dictionary
Alter: Brain Injury

Miscellaneous (4 matching dictionaries)

baby names list (No longer online)
Sound-Alike Words (No longer online)
ALTER: Acronym Finder
alter: Idioms

Science (1 matching dictionary)

alter: Dictionary of Botanical Epithets

Slang (2 matching dictionaries)

alter, alter: Green’s Dictionary of Slang
alter: Urban Dictionary

Sports (1 matching dictionary)

Cat Terms (No longer online)

(Note: See alterability as well.)

Google, News, Images, Wikipedia, Reddit, BlueSky

Definitions from Wiktionary (alter)

▸ verb:  (transitive) To change the form or structure of.
▸ verb:  (intransitive) To become different.
▸ verb:  (transitive) To tailor clothes to make them fit.
▸ verb:  (transitive) To castrate, neuter or spay (a dog or other animal).
▸ verb:  (transitive) To affect mentally, as by psychotropic drugs or illness.
▸ noun:  (psychology, multiplicity) One of the personalities, identities, or selves in a person with dissociative identity disorder or another form of multiplicity.
▸ noun:  Misspelling of altar. [A table or similar flat-topped structure used for religious rites.]

Similar:

change, interpolate, vary, falsify, spay, neuter, modify, reshape, adjust, tweak, more...

Opposite:

preserve, maintain, retain, stabilize, keep

Types:

ego, id, superego, more...

Phrases:

alter ego, alter egos, Jonathan Alter, alter idem, Alter Bridge, more...

Adjectives:

non, french, high, sacrificial, particular, long, little, latin, small, general, main

Colors:

silver, gold, white, black, red, more...