of is on the Basic English 850 List.
observation - of - off
of is one of the 1000 most common headwords.
odd - of - off

Pronunciation change

stressed
unstressed

Preposition change

Preposition
of

  1. From.
    His name was Simon of Cyrene.
    He wants a piece of that pie.
  2. Made using.
    It is a house of cards.
  3. Belonging to.
    Call the office of the school president.

Synonyms change

Related words change