relativity

noun/ˌrɛləˈtɪvɪti/

Frequency rank: #9,194 most common English word

Meaning

the state of being relative; the theory that space, time, and motion are not absolute but depend on the observer's frame of reference.

Illustration for the English word “relativity”

Example sentence

Einstein's theory of relativity changed the way scientists think about space and time.

Synonyms & related words

Practice this word in the quiz

More words in ranks 9,101–9,200