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

That includes a passenger-side kitchen with dual-burner stove/sink combo and 69-L compressor fridge with indoor/outdoor access; the collapsible dinette with two-seat rear bench, two cab swivel seats and flip-up table; a diesel heating system; and an electrical system with 95-Ah battery. —New Atlas, 9 Sep. 2025

Equipped with a two-pulse solid rocket motor and larger, collapsible fins, the PAC-3 MSE offers roughly 50 percent more range and maneuverability than earlier models. —Kapil Kajal, Interesting Engineering, 4 Sep. 2025

Personal, folding and collapsible umbrellas will be permitted. —Haadiza Ogwude, The Enquirer, 28 Aug. 2025

For instance, the cryo chamber was designed with a collapsible ceiling. —Daron James, IndieWire, 13 Aug. 2025

Word History

First Known Use

1843, in the meaning defined above