Any real number that is smaller than zero is a negative number. Examples: -23, -8, -. 006 are negative numbers.
A number less than zero. For instance - a decimal .10
A number less the 0; a number to the left of 0 on a horizontal number line.
A negative number is a a number less than zero, like -1, -2, -3/4, etc.
A number that is less than zero; located to the left of zero on the number line.