collapsible

adjective

col·​laps·​ible kə-ˈlap-sə-bəl 

: able to be folded into a more compact shape

a collapsible stepladder

The collapsible bikes were created in London with the city commuter in mind …

—Karen Loutzenheiser

Hagrid wouldn't let Harry buy a solid gold cauldron, either … but they got a nice set of scales for weighing potion ingredients and a collapsible brass telescope.

—J. K. Rowling

also, of a part of a graphical user interface : able to be hidden or to have certain components (such as options in a menu) hidden by the user when not needed

The use of a collapsible menu keeps the navigation less cluttered, but keeps all functionality at your fingertips.

—Susan Perschke

collapsibility

kə-ˌlap-sə-ˈbi-lə-tē 

noun

Examples of collapsible in a Sentence

Recent Examples on the Web

Martinez echoes these sentiments and lists a collapsible water bottle as one of her favorite travel accessories. — Lauren Dana Ellman, Travel + Leisure, 25 July 2026

Keep scrolling for more travel food must-haves, like a collapsible water bottle, mini snack containers, and more. — Jamie Weissman, Better Homes & Gardens, 17 July 2026

These include a folding keel and collapsible sensor mast, which deploy once the vehicle reaches the surface. — Georgina Jedikovska, Interesting Engineering, 15 July 2026

The collapsible frame features customizable EQ apps, a clear voice smart microphone, low-latency gaming modes, and a massive battery that runs for 65 hours and fast-charges over USB-C. — Juhi Wadia, PC Magazine, 14 July 2026

Word History

First Known Use

1843, in the meaning defined above