sadness

As an adjective joyless

is without joy; unhappy, sad.

As a noun sadness is

(uncountable) the state or emotion of being sad.

As nouns the difference between sadness and loss

is that sadness is (uncountable) the state or emotion of being sad while loss is (lus).

As an adjective poignant

is sharp-pointed; keen.

As a noun sadness is

the state or emotion of being sad.

In uncountable terms the difference between upset and sadness

is that upset is disturbance or disruption while sadness is the state or emotion of being sad.

As an adjective upset

is angry, distressed, or unhappy.

As a verb upset

is to make (a person) angry, distressed, or unhappy.

As nouns the difference between elephant and sadness

is that elephant is elephant while sadness is (uncountable) the state or emotion of being sad.

As nouns the difference between frustration and sadness

is that frustration is frustration while sadness is (uncountable) the state or emotion of being sad.

As nouns the difference between preoccupation and sadness

is that preoccupation is worry while sadness is (uncountable) the state or emotion of being sad.

As a noun sadness

is (uncountable) the state or emotion of being sad.

As an adjective worried is

thinking about unpleasant things that have happened or that might happen; feeling afraid and unhappy.

As a verb worried is

(worry).

As a noun sadness

is (uncountable) the state or emotion of being sad.

As a pronoun bear is

.

As nouns the difference between bears and sadness

is that bears is while sadness is (uncountable) the state or emotion of being sad.

As a verb bears

is (bear).