leastfrequently
The term "leastfrequently" is an adverb that describes the action or state of occurring or happening with the least frequency. It is derived from the words "least" and "frequently," where "least" means the smallest amount or the smallest number, and "frequently" means happening or occurring often. Therefore, "leastfrequently" refers to the least amount of frequency or the least amount of times something happens.
In statistical terms, the leastfrequently occurring event or value is the one that appears the least number
The term is often used in contrast to "mostfrequently," which refers to the action or state of