tone ‧ less /ˈtəʊnləs $ ˈtoʊn-/ BrE AmE adjective
a toneless voice does not express any feelings SYN expressionless :
‘I’m sorry,’ he said, in a flat toneless voice.
tone ‧ less /ˈtəʊnləs $ ˈtoʊn-/ BrE AmE adjective
a toneless voice does not express any feelings SYN expressionless :
‘I’m sorry,’ he said, in a flat toneless voice.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012