ENGLISH
REFERENCE

center on

phrasal verb.
B2 Upper Intermediate General-service
Definition

phrasal verb. to have something as the main subject or most important part.

phrasal verb. to have a particular subject or person as the primary focus or central theme. Transitive; the object represents the focal point of the discussion or activity.


SIMPLE

The discussion centers on the new budget.

CONTEXTUAL

Most of the complaints from the residents center on the lack of parking in the city center.

COMPLEX

The upcoming summit will center on the geopolitical implications of renewable energy transitions in developing nations.

Particles
on
Separability
inseparable
Pattern
center + on + object
Usage

often used in the passive voice or with abstract subjects like 'debate', 'story', or 'research'.

Teaching tip

note the spelling difference between American 'center on' and British 'centre on'; also, mention that 'center around' is common in speech but often criticized in formal writing.

Pitfall

The story centers in a young boy.The story centers on a young boy.the verb 'center' requires the preposition 'on' or 'around' to indicate the focus, not 'in'.

Last updated July 26, 2026