GRATUITOUS

Definition:

1. [adjective] without cause; "a gratuitous insult"
   
   
2. [adjective] costing nothing; "complimentary tickets"
   Synonyms: complimentary, costless, free, gratis
   
   
3. [adjective] unnecessary and unwarranted; "a strikers' tent camp...was burned with needless loss of life"
   Synonyms: needless, uncalled-for
   
   

Synonyms:

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