Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
The Denon PerL Pro do an excellent job of cutting unwanted sounds, although it works best on continuous sounds like the roar of an aircraft engine or the rumble of road noise when in a car.