1 B2 idiomatic neutral
To become disillusioned, cynical, or negative about something that was once seen positively.
"Many voters have soured on the administration after a series of broken promises."
inseparable
sour on
B2 informal inseparable transitive
To become disillusioned with, bitter about, or negative towards something or someone.
In plain English
To start feeling bad about or disappointed in something you used to like.
What does "sour on" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 B2 idiomatic informal
To lose trust or affection for a person due to disappointing behaviour.
"She had completely soured on him after discovering he had lied to her."
inseparable
Literal vs figurative
Words literally mean
To go sour (become unpleasant) toward something — the figurative leap is clear.
Actually means
To start feeling bad about or disappointed in something you used to like.
Usage tip
Common in American journalism and commentary. Often describes a gradual disillusionment with a person, idea, or institution. Frequently appears in political and business contexts.
Words that pair with "sour on"
Natural word combinations native speakers use most often.
idea politics relationship investment deal plan candidate
How to conjugate "sour on"
The five tense forms you'll use most often.
Base
sour on
I/you/we/they
3rd person
sours on
he/she/it
Past simple
soured on
yesterday
Past participle
soured on
have + pp
-ing form
souring on
continuous
Hear "sour on" in the wild
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