impassive

Impassive is a related term of dull.

As adjectives the difference between impassive and dull

is that impassive is having, or revealing, no emotion while dull is lacking the ability to cut easily; not sharp.

As a verb dull is

to render dull; to remove or blunt an edge or something that was sharp.

Impassive is a related term of leaden.

As adjectives the difference between impassive and leaden

is that impassive is having, or revealing, no emotion while leaden is (dated) made of lead.

As adjectives the difference between impassive and inscrutable

is that impassive is having, or revealing, no emotion while inscrutable is difficult or impossible to comprehend, fathom, or interpret.

As a noun inscrutable is

one who or that which is inscrutable; a person, etc. that cannot be comprehended.

Impassive is a related term of patient.

As an adjective impassive

is having, or revealing, no emotion.

As a noun patient is

patient, someone who receives therapeutic treatment.

As adjectives the difference between inert and impassive

is that inert is unable to move or act; inanimate while impassive is having, or revealing, no emotion.

As a noun inert

is a substance that does not react chemically.

Unfeeling is a related term of impassive.

As adjectives the difference between unfeeling and impassive

is that unfeeling is without emotion or sympathy while impassive is having, or revealing, no emotion.

As adjectives the difference between impassive and yielding

is that impassive is having, or revealing, no emotion while yielding is docile, or inclined to give way to pressure.

As a verb yielding is

present participle of lang=en.

As a noun yielding is

a concession.

Impassive is a related term of languid.

As adjectives the difference between impassive and languid

is that impassive is having, or revealing, no emotion while languid is languid.

Unmoved is a related term of impassive.

As adjectives the difference between unmoved and impassive

is that unmoved is not physically moved while impassive is having, or revealing, no emotion.

As adjectives the difference between impassive and stiff

is that impassive is having, or revealing, no emotion while stiff is of an object, rigid, hard to bend, inflexible.

As a noun stiff is

an average person, usually male, of no particular distinction, skill, or education, often a working stiff or lucky stiff.

As a verb stiff is

to fail to pay that which one owes (implicitly or explicitly) to another, especially by departing hastily.