necessary

adjective/ˈnɛsəˌsɛri/

Frequency rank: #1,009 most common English word

Meaning

Needed; that must be done or had.

Illustration for the English word “necessary”

Example sentence

It is not necessary to bring your ID to the exam.

Synonyms & related words

Practice this word in the quiz

More words in ranks 1,001–1,100