| Word | Definitions | Synonyms |
|---|---|---|
| ceilidh | (noun) an informal social gathering at which there is Scottish or Irish folk music and singing and folk dancing and story telling | - |
| ceiling | (noun) the overhead upper surface of a covered space | - |
| (noun) (meteorology) altitude of the lowest layer of clouds | - | |
| (noun) maximum altitude at which a plane can fly (under specified conditions) | - | |
| (noun) an upper limit on what is allowed | Synonyms: cap, roof |