adjective
- not divisible; not separable into parts; incapable of being divided: one nation indivisible.
noun
- something indivisible.
adjective
- unable to be divided
- maths leaving a remainder when divided by a given number8 is indivisible by 3
early 15c., from Middle French indivisible and directly from Late Latin indivisibilis, from in- “not, opposite of” (see in- (1)) + divisibilis (see divisible).