open

adjective
o·pen
/ˈəʊ.pən/

Physically unobstructed, uncovered, etc.

Other meanings

Able to have something pass through or along it.
Not covered, sealed, etc.; having an opening or aperture showing what is inside.

Example sentences

“It's not warm enough to open the window.”
Tatoeba · shekitten · CC0
“I can't open it because it's locked.”
Tatoeba · ddnktr · CC0
“Space exploration opens the door to endless possibilities.”
Tatoeba · Igider · CC0

Word history

From Old English "open".

Where this comes from

This definition is adapted from “open” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.