A colloquial, often casual term for a man or boy. Depending on the context, the connotation can be neutral, approving, or slightly derogatory.
example
Er ist ein netter Kerl, auf den man sich verlassen kann.
He is a nice guy you can rely on.
Usage tips
Register and style
'Kerl' (guy/fellow) is a colloquial word. Use it in conversation with friends or in informal situations, but avoid it in formal emails, official letters, or academic texts.
EXAMPLE
Was für ein komischer Kerl war das denn?
What a strange guy that was!
Connotation through adjective
The effect of 'Kerl' (guy/fellow) depends heavily on the adjective that goes with it. 'Ein netter Kerl' (a nice guy) is positive, while 'ein komischer Kerl' (a strange guy) or 'ein übler Kerl' (a nasty fellow) is negative.
EXAMPLE
Dein Bruder ist wirklich ein feiner Kerl.
Your brother really is a fine fellow.
Fixed expression
The expression 'ein ganzer Kerl' is strong praise. It describes a man who is seen as brave, strong, and of firm character—an 'echter Mann' (real man) in a positive sense.
EXAMPLE
Er hat der Familie in der Not geholfen, er ist ein ganzer Kerl.
He helped the family in their time of need; he is a real man.
Compare with
near_synonym
Kerl vs Mann
man
'der Mann' and 'der Kerl' can both refer to a male person. 'Mann' is neutral and general. 'Kerl' is colloquial and casual. Depending on the situation, it can sound friendly, approving, or also somewhat derogatory. For that reason, 'Kerl' fits better in informal conversations when you want to express a particular tone. In neutral or polite situations, 'Mann' is the better choice.
Kerl
Der Kerl hat mir beim Tragen der Kisten wirklich geholfen.
The guy really helped me carry the boxes.
Mann
Im Büro wartet ein Mann auf das Gespräch mit Frau Becker.
A man is waiting in the office to speak with Ms. Becker.