a1785 R. Glover (1787) III. xxiii. 76 The low-ton'd current of Asopus held No other motion than his native flow.
1871 G. Meredith III. x. 151 Your dear mother had a low-toned nervous system.
1909 R. Fry 15 Jan. (1972) I. 310 The Fur Jacket..is..exceedingly low-toned.
1969 25 155 Possessive prefixes are usually low-toned.
2009 5 Jan. 74/3 David Bamber..delivers not a rant but a low-toned portrait of a paranoic.