-er

a person or thing that does something

Forms

-er
-r — Used after some bases ending in e.

Origin

Old English -ere, generally traced through Germanic to Latin -arius.

Note

It can name a tool as readily as a person. The comparison ending in taller has a different history.

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verb / noun

blabber

BLAB-er/ˈblæbər/

To talk excessively and without discretion.

He blabbers about the surprise party before the guests even arrive.

An animated adult talks on and on at a table while two companions look exhausted and a quiet companion gestures to stop, clearly excessive thoughtless talking, no text.

Etymology

blabbMiddle Englishto talk idly or excessively

+erEnglisha person or thing that does something

Blabben plus a repetition-marking ending suggests ongoing babbling. Blabber first described infant-like speech, then excessive talk; the precise historical relationship between blab and blabber remains difficult to determine.

More examples

Please stop blabbering and listen to the instructions.
She regretted blabbering the secret to her neighbor.
Nobody trusted the office blabber with confidential news.

Forms

blabber · blabbers · blabbered · blabbering

Similar words

babble: Can be confused or childlike talk without revealing secrets.
blab: More directly means carelessly revealing private information.