D defs.my
Entry 2 senses Webster, 1913

Nugatory

/no͞og'-ät-ôrˌ-ē/ · Nu·ga·to·ry · IPA /ˈn(j)uːɡətɔɹi/
01 a. Trifling; vain; futile; insignificant.
  1. 1.
    Trifling; vain; futile; insignificant.
  2. 2.
    Of no force; inoperative; ineffectual.
    “If all are pardoned, and pardoned as a mere act of clemency, the very substance of government is made nugatory.” I. Taylor.