Not the same; exhibiting a difference. / Various, assorted, diverse. / Distinct, separate; used for emphasis after numbers and other determiners of quantity. / Unlike most others; unusual.

(mathematics) The different ideal.

Differently.

(manner) In a different way.

(uncountable) The state or quality of being different. / (countable) The result or product of being different.

plural of differentness

plural of different

(intransitive) Not to have the same traits or characteristics; to be unalike or distinct. / (intransitive, people, groups, etc.) To have diverging opinions, disagree.

(computing) A program that diffs, a diff.

(uncountable) The quality of being different. / (countable) A characteristic of something that makes it different from something else. / (countable) A disagreement or argument.