unmandatory

man·da·to·ry

U u

Definitions of unmandatory word

adjective unmandatory authoritatively ordered; obligatory; compulsory: It is mandatory that all students take two years of math. 1
adjective unmandatory pertaining to, of the nature of, or containing a command. 1
adjective unmandatory Law. permitting no option; not to be disregarded or modified: a mandatory clause. 1
adjective unmandatory having received a mandate, as a nation. 1
noun plural unmandatory mandatary. 1

before 1655

One of the 46% oldest English words

From the Late Latin word mandātōrius, dating back to 1655-65. See mandate, -tory1

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 79% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".