What does "randomness" mean?

The property of all possible outcomes being equally likely.

How do you pronounce "randomness"?

Pronounced //ˈɹændəmnəs//.

Common synonyms include: haphazardness, absence of pattern, aimlessness, apparent randomness, arbitrariness, capriciousness.

/ˈɹændəmnəs/ noun

noun ·Moderate ·College level

Noun

1
The property of all possible outcomes being equally likely. uncountable, usually
2
the quality of lacking any predictable order or plan wordnet
3
A type of circumstance or event that is described by a probability distribution. uncountable, usually
4
(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work wordnet
5
A measure of the lack of purpose, logic, or objectivity of an event. uncountable, usually
"There was no randomness in the teacher's selection of the class representative."

"Some humorists do randomness right, and some are breaded and lightly fried with herbs."

From random + -ness.