English Reference

Word

lengthening

Phoneticslength·en·ing

US/ˈɫɛŋkθənɪŋ/

UK/lˈɛŋθənɪŋ/

Definition

n. the act of making something longer or the state of being longer. You use this when you talk about a physical object or a period of time getting bigger.

n. the process of increasing the physical dimensions of an object or the duration of a period. Often used in technical contexts to describe structural changes or in temporal contexts to describe the extension of a timeline.

Examples

“The lengthening of the shadows signaled the end of the day.”

“The lengthening of the bridge required the construction of several new support pillars to ensure stability.”

“The lengthening of the winter season in recent decades has significantly impacted the local ecosystem, forcing migratory birds to adjust their traditional flight patterns.”

Examples

simple

“The lengthening of the shadows signaled the end of the day.”

contextual

“The lengthening of the bridge required the construction of several new support pillars to ensure stability.”

complex

“The lengthening of the winter season in recent decades has significantly impacted the local ecosystem, forcing migratory birds to adjust their traditional flight patterns.”

Real-World Examples

“If that happens, the melt season could begin lengthening again.”
ScienceDaily · 23 Sept 2026
“One was issued in 2024 and another in 2025, with extensions lengthening both.”
Al Jazeera · 17 Sept 2026

This entry

Level
B2 · Upper Intermediate
Frequency
Occasional
Updated

Scan code

englishreference.com/q/lengthening

English Reference