more
Pronunciation: /mɔː/
determiner & pronoun
adverb
- 1forming the comparative of adjectives and adverbs, especially those of more than one syllable: for them enthusiasm is more important than talent

Phrases
-
more and more
- at a continually increasing rate: vacancies were becoming more and more rare
-
more like it
- see like1
-
more or less
- speaking imprecisely; to a certain extent: they are more or less a waste of time
- approximately: more or less symmetrical
-
no more

Origin:
Old English māra, of Germanic origin; related to Dutch meer and German mehr

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