VERBS

be, feel, look, seem

ADV

extremely, very
fairly, pretty, quite, reasonably
That seems like fairly sound advice
structurally
Is the building structurally sound?

PHRASES

safe and sound (= not hurt)
We arrived home safe and sound

VERBS

be, seem

ADV

extremely, very
absolutely, perfectly
She had a perfectly sound reason for acting as she did
fairly, pretty, reasonably
basically, fundamentally
commercially, ecologically, environmentally, financially, ideologically, theoretically
It was a financially sound investment

ADJ

big, deafening, loud, powerful
We need a big powerful sound from the trumpets in the final passage
audible
faint, little, soft
high
deep, low
clean, clear, sharp
He produces a good clean sound on his flute
piercing
muffled
amazing, beautiful, good, lovely, pleasing
awful, horrible, sickening
There was a sickening sound as his head made contact with the concrete
familiar, strange
distinctive
haunting
booming, buzzing, clanking, etc.
metallic
hollow
distorted
distant
the distant sound of church bells
guitar, piano, etc.
She tried to describe what made a good guitar sound
speech, vowel
recorded
mono, stereo

VERB + SOUND

hear
emit, make, produce, pronounce, transmit, utter
What's making that awful creaking sound? Three bones transmit sounds to the inner ear. He didn't utter a single sound throughout the meeting
turn down/up
Can you turn the sound up?

SOUND + VERB

carry, travel
Sound carries well over calm water
come
A strange sound came from the box
echo
die away

SOUND + NOUN

wave
effect
bite
As a politician he is a master of the 30-second sound bite
level, quality
system
a stereo sound system
recording
recorder
engineer

PREP

at the ~ of
He turned around at the sound of footsteps behind him
without a ~
The door opened without a sound
~ of
the sound of breaking glass
~ from
There was a strange sound from downstairs

PHRASES

the speed of sound 2 the sound from television/radio, etc.