low keyed

/ˈloʊ kiːd/
adjective
  1. Having a low pitch or tone; not loud or harsh.
    • The low-keyed hum of the refrigerator was barely noticeable.
    • The music was low-keyed, perfect for background listening.
    • Her voice was low-keyed and soothing as she read the story.
  2. Restrained or moderate in intensity, style, or expression.
    • His low-keyed response surprised everyone who expected anger.
    • They made a low-keyed announcement about the change in policy.
    • The decor was low-keyed, with neutral colors and simple furniture.
Antonyms
What does "low keyed" mean? | whatsthatwordmean | whatsthatwordmean