nostalgia

As a noun nostalgia

is nostalgia.

As a verb linger is

to stay or remain in a place or situation, especially as if unwilling to depart or not easily able to do so.

As nouns the difference between miss and nostalgia

is that miss is form of address for an unmarried woman while nostalgia is nostalgia.

As nouns the difference between nostalgia and reminiscing

is that nostalgia is nostalgia while reminiscing is reminiscence.

As a verb reminiscing is

.

As nouns the difference between profound and nostalgia

is that profound is (obsolete) the deep; the sea; the ocean while nostalgia is nostalgia.

As an adjective profound

is descending far below the surface; opening or reaching to great depth; deep.

As a verb profound

is (obsolete) to cause to sink deeply; to cause to dive or penetrate far down.

As a noun nostalgia

is nostalgia.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between nostalgia and euphoria

is that nostalgia is nostalgia while euphoria is an excited state of joy, a good feeling, a state of intense happiness.

As nouns the difference between nostalgia and sentimentalism

is that nostalgia is nostalgia while sentimentalism is a liking for sentimental things.

As nouns the difference between nostalgia and souvenir

is that nostalgia is nostalgia while souvenir is .

As a noun nostalgia

is nostalgia.

As an adjective undefined is

lacking a definition or value.

As a noun nostalgia

is nostalgia.

As a verb retrogress is

to return to an earlier, simpler or worse condition; to regress.