softened

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. toned down (Freq. 1)
• Similar to:
modulated
2. being or made softer or less loud or clear
- the dull boom of distant breaking waves
- muffled drums
- the muffled noises of the street
- muted trumpets
• Syn:
dull, muffled, muted
• Similar to:
soft