sameness

same·ness  (smns)

n.

1. The quality or condition of being the same.

2. A lack of variety or change; monotony.

Thesaurus

Noun	1.	sameness - the quality of being alike; "sameness of purpose kept them together" quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare identicalness, indistinguishability, identity - exact sameness; "they shared an identity of interests" similarity - the quality of being similar equality - the quality of being the same in quantity or measure or value or status difference - the quality of being unlike or dissimilar; "there are many differences between jazz and rock"
	2.	sameness - the quality of wearisome constancy, routine, and lack of variety; "he had never grown accustomed to the monotony of his work"; "he was sick of the humdrum of his fellow prisoners"; "he hated the sameness of the food the college served" humdrum, monotony unvariedness - characterized by an absence of variation

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sameness

noun similarity, resemblance, uniformity, likeness, oneness, standardization, indistinguishability, identicalness