monotony

English Thesaurus

1. constancy of tone or pitch or inflection (noun.attribute)

hypernym	:	constancy, stability,
definition	:	the quality of being enduring and free from change or variation (noun.attribute)

2. the quality of wearisome constancy, routine, and lack of variety (noun.attribute)

hypernym	:	unvariedness,
definition	:	characterized by an absence of variation (noun.attribute)

derivation	:	same,
definition	:	unchanged in character or nature (adj.all)

derivation	:	same,
definition	:	unchanged in character or nature (adj.all)