simple past tense and past participle of under-represent

having inadequate representation.

plural of representative government

plural of representative element

plural of representative fraction

(law) A lawyer, solicitor, etc, who acts on behalf of a client in legal matters.

plural of representative action

Synonym of class action

(economics) Any medium of exchange, printed or digital, that represents something of value, but has little or no intrinsic value of its own.

plural of representativeship