This is the 159th most frequent German word.
besser
"Better"
Comparative form of an adjective to indicate improvement.
Ich fühle mich heute besser als gestern.
I feel better today than yesterday.
Used as a modal adverb to suggest necessity or advice.
Du solltest besser deine Hausaufgaben machen.
You'd better do your homework.
Comparative form of an adjective in attributive sense when comparing qualities.