Adjective

(en adjective)

Lacking meaning.

Insignificant; not worthy of importance.

*{{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)

, title= Old soldiers? , passage=Whether modern, industrial man is less or more warlike than his hunter-gatherer ancestors is impossible to determine. The machine gun is so much more lethal than the bow and arrow that comparisons are meaningless .}}

Adjective

(en adjective)

Trivial, trifling or of little importance.

* 1872 ,

I might refer to the general conviction and the common sense of society that such an investment cannot be treated as absolutely idle and nugatory .

Ineffective, invalid or futile.

* 1792 ,

I can not dismiss the subject of Indian affairs without again recommending to your consideration the expediency of more adequate provision for giving energy to the laws throughout our interior frontier and for restraining the commission of outrages upon the Indians, without which all pacific plans must prove nugatory .

(legal) Having no force, inoperative, ineffectual.

* 1819 , (17 U.S. 316)

The word "necessary" is considered as controlling the whole sentence, and as limiting the right to pass laws for the execution of the granted powers to such as are indispensable, and without which the power would be nugatory .

(computing) Removable from a computer program with safety, but harmless if retained.