a cardinal number, a thousand times one thousand.

a symbol for this number, as 1,000,000 or M?.

millions, a number between 1,000,000 and 999,999,999, as in referring to an amount of money

His fortune was in the millions of dollars.

the amount of a thousand thousand units of money, as pounds, dollars, or francs

The three Dutch paintings fetched a million.

a very great number of times

Thanks a million.

the million or the millions, the mass of the common people; the multitude

poetry for the millions.

amounting to one million in number.

amounting to a very great number

a million things to do.

noun

jillion , multiplicity , ream , trillion