joined or packed together; closely and firmly united; dense; solid

compact soil.

arranged within a relatively small space

a compact shopping center; a compact kitchen.

designed to be small in size and economical in operation.

solidly or firmly built

the compact body of a lightweight wrestler.

expressed concisely; pithy; terse; not diffuse

a compact review of the week's news.

composed or made (usually fol. by of )

a book compact of form and content.

Also, bicompact. Mathematics . (of a set) having the property that in any collection of open sets whose union contains the given set there exists a finite number of open sets whose union contains the given set; having the property that every open cover has a finite subcover.

to join or pack closely together; consolidate; condense.

to make firm or stable.

to form or make by close union or conjunction; make up or compose.

Metallurgy . to compress (metallic or metallic and nonmetallic powders) in a die to be sintered.

to crush into compact form for convenient disposal or for storage until disposal

to compact rubbish.

a small case containing a mirror, face powder, a puff, and sometimes rouge.

Also called compact car. an automobile that is smaller than an intermediate but larger than a subcompact and generally has a combined passenger and luggage volume of 100?110 cu. ft. (2.8?3.1 m 3 ).

Metallurgy . (in powder metallurgy) an object to be sintered formed of metallic or of metallic and nonmetallic powders compressed in a die.

adjective

loose , slack , uncondensed , big , large , lengthy , long , unabridged

noun

disagreement

verb

enlarge , loosen , slacken , thin , uncondense

adjective

appressed , bunched , close , compressed , crowded , dense , firm , hard , impenetrable , impermeable , packed , pressed , solid , thick , tightnotes:a compact is a formal agreement on rights and conduct , a treaty is a compact between nations , and a contract is a compact between two business entities , boiled down , compendious , concise , epigrammatic , in a nutshell , laconic , make a long story short , marrowy , meaty , pithy , pointed , short and sweet * , succinct , terse , to the pointnotes:a compact is a formal agreement on rights and conduct , tight , aphoristic , epigrammatical , blocky , chunky , dumpy , heavyset , squat , stodgy , stubby , stumpy , thickset , brief , concentrated , concrete , condensed , consolidated , crammed , full , massed , serried , solidified

noun

alliance , arrangement , bargain , bond , concordat , contract , convention , covenant , deal , engagement , entente , indenture , pact , settlement , stipulation , transaction , treaty , understandingnotes:a compact is a formal agreement on rights and conduct , a treaty is a compact between nations , and a contract is a compact between two business entities , accord , understanding , agreement , compendium

verb

combine , compress , concentrate , condense , consolidate , contract , cram , integrate , pack , set , solidify , stuff , unify , unitenotes:a compact is a formal agreement on rights and conduct , a treaty is a compact between nations , and a contract is a compact between two business entities , constrict , constringe , shrink , agreement , alliance , bargain , bond , brief , case , close , compressed , concise , concord , conspiracy , covenant , dense , federation , firm , hard , packed , pact , pithy , short , small , snug , solid , stuffed , succinct , tamp , terse , thick , tight , trim , understanding