Mega vs. Million

Megaadjective

(informal) Very large.

Megaadjective

(slang) great; excellent

Millionnoun

The cardinal number 1,000,000: 106; a thousand thousand.

Millionnoun

A very large number.

Millionnoun

The number of ten hundred thousand, or a thousand thousand, - written 1,000,000. See the Note under Hundred.

Millionnoun

A very great number; an indefinitely large number.

Millionnoun

The mass of common people; - with the article the.

Millionnoun

the number that is represented as a one followed by 6 zeros

Millionadjective

(in Roman numerals, M written with a macron over it) denoting a quantity consisting of 1,000,000 items or units