Lengthening

//ˈlɛŋ(k)θənɪŋ// noun, verb

noun, verb ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    The process of making or growing longer.

    "This enabled an additional 15-20 containers to be carried per train, giving a 20% productivity gain, and was partly enabled by Network Rail completing the lengthening of loops on the route northwards from Southampton via Banbury."

  2. 2
    the act of prolonging something wordnet
  3. 3
    a type of sound change when a sound (especially a vowel) lengthens
Verb
  1. 1
    present participle and gerund of lengthen form-of, gerund, participle, present

Synonyms

All synonyms
prolongationcontinualnesscontinuancecontinuationcontinuitycrescendoing

Example

More examples

"Growing seasons are lengthening."

Etymology

From lengthen + -ing.

Related phrases

compensatory lengtheningsound change

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