harp on
B1 informal inseparable intransitive
In simple words
To keep saying the same thing over and over in an annoying way.
Literal meaning: To play the harp repeatedly on one note — implying monotonous repetition.
Meanings
1 B1
idiomatic
informal
To repeatedly and annoyingly bring up the same topic, complaint, or criticism.
"My boss keeps harping on about the missed deadline even though we've already fixed the problem."
Grammar: inseparable
2 B1
idiomatic
neutral
To dwell on or emphasize a particular point excessively in speech or writing.
"I don't want to harp on this, but the safety procedures must be followed every single time."
Grammar: inseparable
Usage notes
Usually followed by 'about' or 'on about'. Has a distinctly negative connotation — the speaker finds the repeated speech annoying or tiresome. Refers to the harp being played repeatedly on the same string. Common in both British and American English.
Commonly used with
about the same thing mistakes the past problems subject
Forms
Base
harp on
I/you/we/they
3rd person
harps on
he/she/it
Past simple
harped on
yesterday
Past participle
harped on
have + pp
-ing form
harping on
continuous
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