jam

This page is about the noun "jam", which can be both countable and uncountable

jam → uncountable

Meaning: sweet food that's made from fruit and usually spread on bread or toast

Example sentence: Would you like some strawberry jam with your toast, madam?

jam → countable

Meaning: many vehicles stuck together in traffic, or a difficult situation

Example sentence: Brad said he was late because he was caught in a traffic jam.

Quick Quiz:

In which sentence is the word "jam" countable?

a. We couldn't get to the supermarket in time because of the traffic jam.

b. We haven't got jam because we couldn't get to the supermarket in time.

Contributor: Matt Errey