stridently Antonyms
calmly
melodiously
tunefully
noiselessly
canorously
euphonically
euphoniously
harmonically
harmoniously
liltingly
mellifluously
operatically
orchestrally
melodically
softly
slyly
chorally
classically
covertly
gently
humbly
instrumentally
lyrically
mellifluently
mellowly
musically
mutely
rhythmically
philharmonically