whim

As an adjective sudden is

happening quickly and with little or no warning.

As an adverb sudden is

(poetic) suddenly.

As a noun sudden is

(obsolete) an unexpected occurrence; a surprise.

As an adjective false is

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

As a noun random

is a roving motion; course without definite direction; lack of rule or method; chance.

As an adjective random

is having unpredictable outcomes and, in the ideal case, all outcomes equally probable; resulting from such selection; lacking statistical correlation.

As an adjective undefined is

lacking a definition or value.

Frame is a related term of whim.

As a noun frame

is frame, division of time on a multimedia timeline.

Whim is a related term of whimsey.

As a noun whimsey is

.

As nouns the difference between mood and whim

is that mood is a mental or emotional state, composure while whim is a fanciful impulse, or whimsical idea.

Satire is a related term of whim.

As a noun satire

is .

Whim is a related term of fickleness.

As a noun fickleness is

the quality of being fickle.

As a noun fetish

is something which is believed to possess, contain, or cause spiritual or magical powers; an amulet or a talisman.