More or less means ‘mostly’, ‘nearly’ or ‘approximately’. We use it in mid position (between the subject and main verb, or after the modal verb or first auxiliary verb, or after be as a main verb).

more meaning, definition, what is more: having a particular quality to a greater...: Learn more.

MORE meaning: 1 : greater in amount, number, or size; 2 : extra or additional

MORE definition: in greater quantity, amount, measure, degree, or number. See examples of more used in a sentence.

more: Greater: often indicating comparison merely, not absolutely but relatively greater.

(used with a pl. verb) A greater or additional number of persons or things: I opened only two bottles but more were in the refrigerator.

Idioms more or less, to some extent; somewhat: We came to more or less the same conclusion. what is more, (used to introduce information that supports the truth of what has been said): …

more definition: used to form the comparative of adjectives and adverbs. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like …

Keeping his fanboy origins a secret, Matthew manipulates his way into Oliver’s inner circle using little more than flattery and an understanding of social-media-age mores.

You use more to indicate that there is a greater amount of something than before or than average, or than something else. You can use 'a little', 'a lot ', 'a bit ', ' far ', and 'much' in front of more.