- 1[countable] a large area of ocean that is partly surrounded by land the Gulf of Mexico
- 2the Gulf [singular] the Persian Gulf, the area of ocean between the Arabian peninsula and Iran
- 3[countable, usually singular] gulf (between A and B) a large difference between two people or groups in the way that they think, live, or feel The gulf between rich and poor is enormous. It felt as if a gulf had opened up between his life and mine.
- 4[countable] a wide, deep crack in the ground Idioms
to reduce or get rid of the differences that exist between two things or groups of people
Check pronunciation: gulf