Collocations for depth - noun

considerable, great
species that live at considerable depth
They go down to great depths below the surface.

maximum
soil, water
shallow
Water normally moves more slowly at shallower depths.

abyssal (technical)
the abyssal depths of the ocean

black, dark, murky
watery
The ship's mast finally disappeared into the watery depths.

plumb, plunge into, reach

perception

at depth
The camera must be strong enough to resist the immense water pressure at depth.

at a depth of, from a depth of, to a depth of
These fish are found at a depth of over 300 feet.

at a … depth, from a … depth, to a … depth
The clam burrows in the sand to a considerable depth.

out of your depth (BrE)
I don't like going out of my depth in the sea.

the depths, the depths of the ocean, the depths of the sea (esp. BrE)
sharks lurking in the murky depths

the ocean depths

considerable, great
Younger students cannot be expected to have great depth of understanding.

black, dark
the dark depths of despair

hidden, unexpected
I suspect she has hidden depths.
the unexpected depth of his feelings for her

emotional
music of great emotional depth

plumb, plunge to, reach
The story plumbed the depths of tabloid journalism.

lack
It lacks the complexity or depth of his best movies.

add, give, provide
have
reveal, show
Her paintings reveal hidden depths.

in depth
I studied phonology in depth at college.

out of your depth
The writer seems a little out of her depth when dealing with the emotional issue involved.

depths of
The rejection plunged her into the dark depths of despair.

depth of emotion, depth of feeling
The demonstration showed the depth of feeling against the war.