unsound

Speculative is a related term of unsound.

As adjectives the difference between speculative and unsound

is that speculative is while unsound is not sound; not whole; not solid; defective; infirm; diseased.

As adjectives the difference between untrustworthy and unsound

is that untrustworthy is not deserving of trust; unreliable while unsound is not sound; not whole; not solid; defective; infirm; diseased.

Hazardous is a synonym of unsound.

As adjectives the difference between hazardous and unsound

is that hazardous is risky, dangerous, with the nature of a hazard while unsound is not sound; not whole; not solid; defective; infirm; diseased.

As adjectives the difference between twisted and unsound

is that twisted is contorted while unsound is not sound; not whole; not solid; defective; infirm; diseased.

As a verb twisted

is past tense of twist.

Unsound is a related term of sickly.

As adjectives the difference between unsound and sickly

is that unsound is not sound; not whole; not solid; defective; infirm; diseased while sickly is frequently ill; often in poor health; given to becoming ill.

As a verb sickly is

to make sickly.

As an adverb sickly is

in a sick manner.

Faulty is a related term of unsound.

As adjectives the difference between faulty and unsound

is that faulty is having or displaying faults; not perfect; not adequate or acceptable while unsound is not sound; not whole; not solid; defective; infirm; diseased.

Unsound is a related term of powerless.

As adjectives the difference between unsound and powerless

is that unsound is not sound; not whole; not solid; defective; infirm; diseased while powerless is lacking sufficient power or strength.

Unbalanced is a related term of unsound.

As adjectives the difference between unbalanced and unsound

is that unbalanced is not balanced, without equilibrium; dizzy while unsound is not sound; not whole; not solid; defective; infirm; diseased.

As a verb unbalanced

is (unbalance).

Unsound is a related term of enervated.

As adjectives the difference between unsound and enervated

is that unsound is not sound; not whole; not solid; defective; infirm; diseased while enervated is weakened, debilitated or deprived of strength or vitality.

As a verb enervated is

(enervate).