All 5 Uses

tone
in
The Maze Runner
(Edited)

Newt's tone warned that the conversation about the Changing was over.
p. 99.9

tone = the general feeling, mood, or attitude of something
The tone of his voice only heightened Thomas's concern.
p. 168.8 *
Thomas said it in a matter-of-fact tone, as a resigned repeat of what Minho had said a moment earlier.
p. 209.4
"Be careful," Chuck said, his tone quickly melting into genuine concern.
p. 280.9
Her condescending tone shocked Thomas.
p. 354.8

Definitions:

(1) (tone as in: the tone of the essay)
the general feeling, mood, or attitude of something -- especially of something said or written
(2) (meaning too common or too rare to warrant focus)
See a comprehensive dictionary for the many other common and less common meanings of tone including:
- a quality of sound, music, or voice
- a quality of color
- a quality of muscles seen after exercise, or the act of exercising to create that quality
- signals from a telephone
The expression "tone down", means to make something less forceful.