ENGLISH
REFERENCE

dwell upon

phr. v..
C1 Advanced Oxford

phr. v.. to spend a lot of time thinking or talking about something, especially something sad or unpleasant.

phr. v.. to linger on a particular thought or topic; specifically to obsess over or ruminate on a past event or negative situation. Often used with abstract objects.


SIMPLE

You shouldn't dwell upon your past mistakes.

CONTEXTUAL

Instead of looking for a new job, he continued to dwell upon the reasons why he was fired.

COMPLEX

The novelist tends to dwell upon themes of isolation and loss, creating a somber atmosphere that permeates every chapter of the book.

Particles
upon
Separability
inseparable
Pattern
dwell + upon + object
Usage

Usually followed by a negative experience or a problem that cannot be changed.

Teaching tip

Contrast with 'think about'; 'dwell upon' implies a lack of progress or an unhealthy focus. Note that 'dwell on' is more common in modern speech, while 'dwell upon' feels slightly more formal or literary.

Pitfall

Don't dwell to the problem.Don't dwell upon the problem.The verb 'dwell' requires the preposition 'upon' or 'on' to connect to the object of thought.

© 2026 English Reference