Synonyms of the word

nonresonant

• adj. That does not resonate.
• adj. That does not involve resonance.

anechoic

• adj. (acoustics) lacking echos; that absorbs sound.

dead

• adj. (not comparable) No longer living.
• adj. (hyperbolic) Figuratively, not alive; lacking life.
• adj. (of another person) So hated that they are absolutely ignored.
• adj. Without emotion.
• adj. Stationary; static.
• adj. Without interest to one of the senses; dull; flat.
• adj. Unproductive.
• adj. (not comparable, of a machine, device, or electrical circuit) Completely inactive; without power; without…
• adj. (not comparable) Broken or inoperable.
• adj. (not comparable) No longer used or required.
• adj. (engineering) Not imparting motion or power.
• adj. (not comparable, sports) Not in play.
• adj. (not comparable, golf, of a golf ball) Lying so near the hole that the player is certain to hole it in…
• adj. (not comparable, baseball, slang, 1800s) Tagged out.
• adj. (not comparable) Full and complete.
• adj. (not comparable) Exact.
• adj. Experiencing pins and needles (paresthesia).
• adj. (informal) (Certain to be) in big trouble.
• adj. Constructed so as not to transmit sound; soundless.
• adj. (obsolete) Bringing death; deadly.
• adj. (law) Cut off from the rights of a citizen; deprived of the power of enjoying the rights of property.
• adv. (degree) Exactly right.
• adv. (degree) Very, absolutely, extremely, suddenly.
• adv. As if dead.
• n. (uncountable, singular only, often with "the") Time when coldness, darkness, or stillness is most intense.
• n. (plural, with "the") Those who have died.
• v. (transitive) To prevent by disabling; stop.
• v. (transitive) To make dead; to deaden; to deprive of life, force, or vigour.
• v. (Britain, transitive, slang) To kill.

dull

• adj. Lacking the ability to cut easily; not sharp.
• adj. Boring; not exciting or interesting.
• adj. Not shiny; having a matte finish or no particular luster or brightness.
• adj. Not bright or intelligent; stupid; slow of understanding.
• adj. Sluggish, listless.
• adj. Cloudy, overcast.
• adj. Insensible; unfeeling.
• adj. Heavy; lifeless; inert.
• adj. (of pain etc) Not intense; felt indistinctly or only slightly.
• adj. (of a noise or sound) Not clear, muffled.
• v. (transitive) To render dull; to remove or blunt an edge or something that was sharp.
• v. (transitive) To soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy.
• v. (intransitive) To lose a sharp edge; to become dull.
• v. To render dim or obscure; to sully; to tarnish.

thudding

• v. present participle of thud.
• n. A dull banging sound; a thud.