toneless
suomi-englanti sanakirjatoneless englannista suomeksi
soinniton
toneless englanniksi
Lacking tone or expression.
{{quote-text|en|year=1928|author=Radclyffe Hall|title=The Well of Loneliness|location=Garden City, NY|publisher=Blue Ribbon Books|section=Book 1, Chapter 7, Section 2, p. 71|url=https://www.fadedpage.com/books/20181178/html.php
{{quote-text|en|year=1941|author=Emily Carr|title=Klee Wyck|url=http://www.gutenberg.net.au/ebooks01/0100131.txt|chapter=4
Lacking tone or pitch, have the neutral tone.