unimaginative

As an adjective unimaginative

is not imaginative.

As a noun original is

original.

As adjectives the difference between unimaginable and unimaginative

is that unimaginable is unable to be imagined; inconceivable or mind-boggling; beyond belief while unimaginative is not imaginative.

As adjectives the difference between fanciful and unimaginative

is that fanciful is imaginative or fantastic; unreal or imagined while unimaginative is not imaginative.

Unimaginative is a related term of insensible.

As adjectives the difference between unimaginative and insensible

is that unimaginative is not imaginative while insensible is unable to be perceived by the senses.

Unimaginative is a related term of monotonous.

As adjectives the difference between unimaginative and monotonous

is that unimaginative is not imaginative while monotonous is having an unvarying tone or pitch.

Stupid is a related term of unimaginative.

As adjectives the difference between stupid and unimaginative

is that stupid is lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence while unimaginative is not imaginative.

As an adverb stupid

is (slang|dated) extremely.

As a noun stupid

is a stupid person; a fool.

Unimaginative is a related term of listless.

As adjectives the difference between unimaginative and listless

is that unimaginative is not imaginative while listless is lacking energy, enthusiasm, or liveliness.

As adjectives the difference between ingenuous and unimaginative

is that ingenuous is naive and trusting while unimaginative is not imaginative.

As an adverb imaginatively

is in a imaginative manner; showing creativity.

As an adjective unimaginative is

not imaginative.

As adjectives the difference between unimaginative and silly

is that unimaginative is not imaginative while silly is (label) pitiable; deserving of compassion; helpless.

As a noun silly is

(colloquial) a silly person; a fool.