no more

Concise Oxford English Dictionary © 2008 Oxford University Press:
more/mɔː(r)/

▶determiner & pronoun a greater or additional amount or degree. ▶adverb

• 1 forming the comparative of adjectives and adverbs, especially those of more than one syllable.

• 2 to a greater extent.

  ■ (more than) extremely: she is more than happy to help.

• 3 again.

• 4 moreover.

– phrases
more and more at a continually increasing rate.
more or less

• 1 to a certain extent.

• 2 approximately.

no more

• 1 nothing further.

• 2 no further.

• 3 (be no more) exist no longer.

• 4 never again.

• 5 neither.

– origin OE māra, of Gmc origin.

usage: It is incorrect to use more with an adjective that is already in a comparative form (more better, more hungrier); the correct usage is simply better or hungrier (or more hungry).