This is the 1297th most frequent German word.
kein
"Kein" means "no" or "not any," used to negate nouns in German.
Here, 'kein' is used as a negation article before the noun 'Auto' to indicate that the subject does not possess any car.
Ich habe kein Auto.
I have no car.
In this sentence, 'keinen' (the masculine accusative form of 'kein') negates the direct object 'Kaffee' in the action described.
Er trinkt keinen Kaffee.
He does not drink any coffee.
Here, 'keine' (the feminine singular nominative form of 'kein') negates the noun 'Zeit' to indicate the absence of time.