Umlaut

//ˈʊm.laʊt// noun, verb, slang

noun, verb, slang ·Moderate ·High school level

Definitions

Noun
  1. 1
    An assimilatory process whereby a vowel is pronounced more like a following vocoid that is separated by one or more consonants.

    "In fits of concealed despair that went unnoticed even by those close enough to touch, Julien cursed the language of umlauts, eszetts, and gerunds."

  2. 2
    a diacritical mark (two dots) placed over a vowel to indicate a change in sound in some languages wordnet
  3. 3
    The umlaut process (as above) that occurred historically in Germanic languages whereby back vowels became front vowels when followed by syllable containing a front vocoid (e.g. Germanic lūsiz > Old English lȳs(i) > Modern English lice).
  4. 4
    A vowel so assimilated.
  5. 5
    The diacritical mark ( ¨ ) placed over a vowel when it indicates a (rounded) front vowel
Show 1 more definition
  1. 6
    Synonym of diaeresis. informal

    ""Naïve" takes an umlaut because it is pronounced as two syllables."

Verb
  1. 1
    To place an umlaut over (a vowel). transitive

    "We kept some of the foreign alphabet symbols such as the accented and umlauted vowels and Greek letters and used the rest of the space for more esoteric linguistic symbols such as "barred-l," and "engma.""

  2. 2
    To modify (a word) so that an umlaut is required in it. transitive

    "an umlauting vowel"

Example

More examples

"In modern computer systems, umlaut and diaeresis are represented identically."

Etymology

Borrowed from German Umlaut in the 19ᵗʰ century, from um- or um (“around, re-, trans-”) + Laut (“sound”), from Old High German hlūt. More at loud.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.