mean(adjective)

(of a statistic) having the middle position between two points, quantities etc

the mean value on a graph.

mean(adjective)

not generous (with money etc)

He's very mean (with his money / over pay).

mean(verb)

to (intend to) express, show or indicate

`Vacation' means `holiday'; What do you mean by (saying/doing) that?

mean(adjective)

average

the mean annual rainfall.

mean(adjective)

likely or intending to cause harm or annoyance

It is mean to tell lies.

mean(noun)

something that is midway between two opposite ends or extremes

Three is the mean of the series one to five.

mean(verb)

to intend

I meant to go to the exhibition but forgot; For whom was that letter meant?; He means (= is determined) to be a rich man some day.

mean(adjective)

(especially American) bad-tempered, vicious or cruel

a mean mood.

mean(adjective)

(of a house etc) of poor quality; humble

a mean dwelling.