Synonyms of the word

cavity

• n. A hole or hollow depression.
• n. A hollow area within the body (such as the sinuses).
• n. (dentistry) A soft area in a decayed tooth.

caries

• n. The progressive destruction of bone or tooth by decay.

cavum

• n. (anatomy) A cavity.

decay

• n. The process or result of being gradually decomposed.
• n. A deterioration of condition.
• v. (intransitive) To deteriorate, to get worse, to lose strength or health, to decline in quality.
• v. (intransitive, of organic material) To rot, to go bad.
• v. (intransitive, transitive, physics, chemistry, of an unstable atom) To change by undergoing fission, by…
• v. (intransitive, transitive, physics, of a quantum system) To undergo optical decay, that is, to relax to…
• v. (intransitive, aviation) Loss of airspeed due to drag.
• v. (transitive) To cause to rot or deteriorate.

hole

• n. A hollow place or cavity; an excavation; a pit; an opening in or through a solid body, a fabric, etc.;…
• n. (heading) In games.
• n. (archaeology, slang) An excavation pit or trench.
• n. (figuratively) A weakness, a flaw.
• n. (informal) A container or receptacle.
• n. (physics) In semiconductors, a lack of an electron in an occupied band behaving like a positively charged…
• n. (computing) A security vulnerability in software which can be taken advantage of by an exploit.
• n. (slang anatomy) An orifice, in particular the anus.
• n. (Ireland, idiomatic, particularly in the phrase "get one's hole") Sex, or a sex partner.
• n. (informal, with "the") Solitary confinement, a high-security prison cell often used as punishment.
• n. (slang) An undesirable place to live or visit; a hovel.
• n. (figuratively) Difficulty, in particular, debt.
• n. (graph theory) A chordless cycle in a graph.
• v. (transitive) To make holes in (an object or surface).
• v. (transitive, by extension) To destroy.
• v. (intransitive) To go into a hole.
• v. (transitive) To drive into a hole, as an animal, or a billiard ball or golf ball.
• v. (transitive) To cut, dig, or bore a hole or holes in.
• v. simple past tense of hele.
• adj. Obsolete form of whole.

hollow

• n. A small valley between mountains.
• n. A sunken area or unfilled space in something solid; a cavity, natural or artificial.
• n. (US) A sunken area.
• n. (figuratively) A feeling of emptiness.
• v. (transitive) to make a hole in something; to excavate.
• adj. (of something solid) Having an empty space or cavity inside.
• adj. (of a sound) Distant, eerie; echoing, reverberating, as if in a hollow space; dull, muffled; often low-pitched.
• adj. (figuratively) Without substance; having no real or significant worth; meaningless.
• adj. (figuratively) Insincere, devoid of validity; specious.
• adj. concave; gaunt; sunken.
• adj. (gymnastics) pertaining to hollow body position.
• adv. (colloquial) Completely, as part of the phrase beat hollow or beat all hollow.
• v. To urge or call by shouting; to hollo.
• interj. Alternative form of hollo.

pit

• n. A hole in the ground.
• n. (motor racing) An area at a motor racetrack used for refueling and repairing the vehicles during a race.
• n. (music) A section of the marching band containing mallet percussion instruments and other large percussion…
• n. A mine.
• n. (archaeology) A hole or trench in the ground, excavated according to grid coordinates, so that the provenance…
• n. (trading) A trading pit.
• n. (in the plural, with the, idiomatic, slang) Something particularly unpleasant.
• n. The bottom part of.
• n. (colloquial) Armpit.
• n. (aviation) A luggage hold.
• n. (countable) A small surface hole or depression, a fossa.
• n. The indented mark left by a pustule, as in smallpox.
• n. The grave, or underworld.
• n. An enclosed area into which gamecocks, dogs, and other animals are brought to fight, or where dogs are…
• n. Formerly, that part of a theatre, on the floor of the house, below the level of the stage and behind the…
• n. (gambling) Part of a casino which typically holds tables for blackjack, craps, roulette, and other games.
• v. (transitive) To make pits in.
• v. To put (a dog) into a pit for fighting.
• v. (transitive) To bring (something) into opposition with something else.
• v. (intransitive, motor racing) To return to the pits during a race for refuelling, tyre changes, repairs…
• n. A seed inside a fruit; a stone or pip inside a fruit.
• n. A shell in a drupe containing a seed.
• n. The core of an implosion weapon, consisting of the fissile material and any neutron reflector or tamper…
• v. (transitive) To remove the stone from a stone fruit or the shell from a drupe.
• n. (informal) A pit bull terrier.

space

• n. (heading) Of time.
• n. (heading) Unlimited or generalized physical extent.
• n. (heading) A bounded or specific physical extent.
• v. (obsolete, intransitive) To roam, walk, wander.
• v. (transitive) To set some distance apart.
• v. To insert or utilise spaces in a written text.
• v. (transitive) To eject into outer space, usually without a space suit.

structure

• n. A cohesive whole built up of distinct parts.
• n. The underlying shape of a solid.
• n. The overall form or organization of something.
• n. A set of rules defining behaviour.
• n. (computing) Several pieces of data treated as a unit.
• n. (fishing, uncountable) Underwater terrain or objects (such as a dead tree or a submerged car) that tend…
• n. A body, such as a political party, with a cohesive purpose or outlook.
• n. (logic) A set along with a collection of finitary functions and relations.
• v. (transitive) To give structure to; to arrange.