monotone
adjective/ˈmɒnətəʊn/
/ˈmɑːnətəʊn/
[only before noun]- without any changes or differences in sound or colour
- He spoke in a monotone drawl.
- monotone engravings
Oxford Collocations DictionaryMonotone is used with these nouns:- voice
Word Originmid 17th cent.: from modern Latin monotonus, from late Greek monotonos.
Check pronunciation:
monotone