depression

As nouns the difference between aquaduct and depression

is that aquaduct is while depression is depression (area that is lower than its surroundings).

As nouns the difference between asthenia and depression

is that asthenia is (medicine) weakness; loss of strength while depression is depression (area that is lower than its surroundings).

As nouns the difference between depression and decompression

is that depression is depression (area that is lower than its surroundings) while decompression is decompression.

As nouns the difference between psychology and depression

is that psychology is (uncountable) the study of the human mind while depression is depression (area that is lower than its surroundings).

As an adjective discouraged

is having lost confidence or hope; dejected; disheartened.

As a verb discouraged

is (discourage).

As a noun depression is

depression (area that is lower than its surroundings).

As nouns the difference between depression and alley

is that depression is an area that is lower in topography than its surroundings while alley is a narrow street or passageway, especially one through the middle of a block giving access to the rear of lots or buildings.

As a noun depression

is depression (area that is lower than its surroundings).

As an adjective disappointed is

defeated of expectation or hope; let down.

As a verb disappointed is

(disappoint).

As nouns the difference between sorrow and depression

is that sorrow is (uncountable) unhappiness, woe while depression is depression (area that is lower than its surroundings).

As a verb sorrow

is to feel or express grief.

As nouns the difference between depression and school

is that depression is depression (area that is lower than its surroundings) while school is a group of fish or a group of marine mammals such as porpoises, dolphins, or whales or school can be (us|canada)  an institution dedicated to teaching and learning; an educational institution.

As a verb school is

(of fish) to form into, or travel in a school or school can be to educate, teach, or train (often, but not necessarily, in a school).

As a noun depression

is depression (area that is lower than its surroundings).

As an adjective dejected is

sad and dispirited.

As a verb dejected is

(deject).