unable

As adjectives the difference between unable and false

is that unable is not able; lacking a certain ability while false is (label) one of two states of a boolean variable; logic.

As adjectives the difference between unable and undefined

is that unable is not able; lacking a certain ability while undefined is lacking a definition or value.

As an adjective unable

is not able; lacking a certain ability.

As a numeral dis is

ten.

Unable is a related term of deficient.

As adjectives the difference between unable and deficient

is that unable is not able; lacking a certain ability while deficient is deficient.

Unable is a related term of inadequate.

As adjectives the difference between unable and inadequate

is that unable is not able; lacking a certain ability while inadequate is .

Unable is a related term of insufficient.

As adjectives the difference between unable and insufficient

is that unable is not able; lacking a certain ability while insufficient is not sufficient.

Unable is a related term of improper.

As adjectives the difference between unable and improper

is that unable is not able; lacking a certain ability while improper is unsuitable to needs or circumstances; inappropriate; inapt.

As a verb improper is

(obsolete|transitive) to appropriate; to limit.

As an adjective unable

is not able; lacking a certain ability.

As a noun null is

zero, nil; the cardinal number before einn.

As adjectives the difference between irregular and unable

is that irregular is irregular while unable is not able; lacking a certain ability.

As adjectives the difference between unable and unsuitable

is that unable is not able; lacking a certain ability while unsuitable is not suitable; unfit; inappropriate.