Definition from Wiktionary, the free dictionary
unrequired (not comparable)
- Not required.
2008 April 29, Ian Urbina, “Decision Is Likely to Spur Voter ID Laws in More States”, New York Times:
- Mr. Goldman said that poll workers might ask for unrequired identification and that citizens might not vote because they mistakenly thought that they could not do so if they did not have certain forms of identification.