Meaning of "however" in Essential American English Dictionary

however

adverb us /hɑʊˈev·ər/

A2 but:

This is one solution to the problem. However, there are others.
however cold, difficult, slowly, etc.

used to say that it does not make any difference how cold, difficult, slowly, etc.:

We’re not going to get there in time, however fast we drive.

(Definition of “however” from the Webster's Essential Mini Dictionary © Cambridge University Press)