deaden

As a verb deaden

is to render less lively; to diminish; to muffle.

As a noun impasse is

a road with no exit; a cul-de-sac.

As verbs the difference between deaden and subdue

is that deaden is to render less lively; to diminish; to muffle while subdue is to overcome, quieten, or bring under control.

In transitive terms the difference between deaden and moderate

is that deaden is to make soundproof while moderate is to preside over (something) as a moderator.

In intransitive terms the difference between deaden and moderate

is that deaden is to become less lively; to diminish (by itself) while moderate is to act as a moderator; to assist in bringing to compromise.

As an adjective moderate is

not excessive; acting in moderation.

As a noun moderate is

one who holds an intermediate position between extremes, as in politics.

In transitive terms the difference between ease and deaden

is that ease is to move (something) slowly and carefully while deaden is to make soundproof.

In intransitive terms the difference between ease and deaden

is that ease is to proceed with little effort while deaden is to become less lively; to diminish (by itself).

As a noun ease

is the state of being comfortable or free from stress.

In transitive terms the difference between deaden and decrease

is that deaden is to make soundproof while decrease is to make (a quantity) smaller.

In intransitive terms the difference between deaden and decrease

is that deaden is to become less lively; to diminish (by itself) while decrease is of a quantity, to become smaller.

As a noun decrease is

an amount by which a quantity is decreased.

In transitive terms the difference between deaden and die

is that deaden is to make soundproof while die is to stop living and undergo (a specified death).

In intransitive terms the difference between deaden and die

is that deaden is to become less lively; to diminish (by itself) while die is to stop living; to become dead; to undergo death.

As a noun die is

(plural: dice) A regular polyhedron, usually a cube, with numbers or symbols on each side and used in games of chance.

In transitive terms the difference between deaden and kill

is that deaden is to make soundproof while kill is to force a company out of business.

As a noun kill is

the act of killing.

In transitive terms the difference between deaden and impair

is that deaden is to make soundproof while impair is to weaken; to affect negatively; to have a diminishing effect on.

As an adjective impair is

not fit or appropriate.

In transitive terms the difference between deaden and lessen

is that deaden is to make soundproof while lessen is to make less; to diminish; to reduce.

In intransitive terms the difference between deaden and lessen

is that deaden is to become less lively; to diminish (by itself) while lessen is to become less.

As verbs the difference between deaden and anaesthetise

is that deaden is to render less lively; to diminish; to muffle while anaesthetise is standard spelling of from=Non-Oxford British spelling|lang=en|anesthetize.