Word Type

Adjective

Verb

Adjective

Noun

The word "open" can be used as adjective, verb, adjective and noun.

Word Relationships

Opposites (Antonyms)

close close closed closed shut shut

Capable Of

mean not shut

Defined As

antonym of shut opposite of shut

Derived Terms

Open PaaS Open University OpenBSD Scott-open a golden key can open any door at church every time the doors are open at church every time the doors swing open blow wide open break open clopen cold open crack open distinguished open set double open jaw drop open eye-opener eye-opening fail open fauxpen get open half-open file half-open interval have someone's nose wide open home open in church every time the doors are open in open court in the open keep a weather eye open keep an eye open keep one's ears open keep one's eyes open keep one's options open kick at an open door kicking at an open door lay open leave one's options open leave the door open misopen nonopen one's door is open open Pandora's box open a can of whoop ass open admission open adoption open air open air museum open and affirming open and notorious open and shut open and shut case open assembly time open ball open banking open bar open beta open bite open boarding open book open book decomposition open box open call open carry open circuit open circuit voltage open circulatory system open city open class open classroom open cluster open comedo open comedone open communion open compound open content open convention open core open cover open curve open dating open day open daylight open defecation open design open diapason open differential open door open door policy open doors open e open ended straight draw open enrollment open evangelical open evangelicalism open evening open fan open feedwater heater open field open file open fire open fireplace open floor plan open fracture open game open goal open ground open half space open harp open heart surgery open hearth open house open housing open index open interest open interval open invitation open its doors open jaw open justice open letter open listing open loop open market open marriage open matte open media open mic open mike open mind open morning open o open one's big mouth open one's bowels open one's heart open one's legs open one's mind open one's mouth open order open out open outcry open outsourcing open play open position open prison open problem open proxy open proxy server open question open rate open razor open reading frame open rectangle open relationship open road open rotor open sandwich open sea open season open seating open secret open sesame open set open shop open sight open slather open someone's eyes open sores open source open sourceror open space open species open sunshine open syllable open system open table open texture open the attack open the ball open the batting open the door open the face open the floodgates open the kimono open the range open the schools open the way open time open tuning open up open valley open verdict open visit open wagon open wash open washing open water open wide open world open wound open-air museum open-aired open-back open-book open-book contract open-breasted open-carry open-cast open-chain open-closed principle open-concept open-door policy open-ear open-eared open-earedness open-end fund open-ended contract open-ended question open-endedly open-endedness open-ender open-faced sandwich open-field open-field system open-field test open-hand open-handedly open-handedness open-heart surgery open-heartedly open-heartedness open-jaw ticket open-kneed breeches open-loop open-mid open-minded open-mindedly open-mindedness open-neck open-necked open-notes open-pit mine open-plan kitchen open-road open-shopper open-side open-source open-sourceness open-textured open-toed open-top open-top bus open-topped open-topper open-wash open-washing open-wheel open-wheel racing openability openable openbill opencast openhand openhearted openness openside openture openwash openwashing openwork over open sights push against an open door read like an open book regular open reopen semi-open file semi-open game semiopen sleep with one eye open the heavens open throw open unopen vested remainder subject to open when one door closes, another opens wide open with one's eyes open with open arms your barn door is open

Distinct From

closed shut

Etymologically Related To

up

Context

business chess computing cricket electronics graph theory logic mathematics medicine music phonetics poker stringed instruments topology

Broader Terms (Hypernyms)

afford alter area arise be begin change change state come up commence country display embark on exhibit exist expose exterior general knowledge get get down give go modify move outside public knowledge set about set out start start out start up tournament tourney turn undo yield

Narrower Terms (Hyponyms)

crack half-open open-air open-and-shut open-armed open-arse open-collar open-door open-ended open-eyed open-face open-faced open-handed open-hearted open-hearth open-kneed open-mouthed open-plan open-work openhanded

Type Of (IsA)

area public knowledge tournament

Manner Of

arise change state expose move start yield

Related Terms

access accessible action adjective ajar batsmen begin bet bring up broach business but can candid character clear client closed coda compete conduct consonant contracted customer does door door ajar door can door does doors drawn enter entering event expand expanded exposed extended fingerboard for doors free full golf golf tournament ingenuous innings knowledge location loose make memory obstacle passage public receptive scrutiny shut side spaces sports spread start subtle the together topological space tournament unimpeded unobstructed unsealed variable view visibility vowel wide windows

Similar Terms

acceptant acceptive active active admissive agape agaze ajar ajar artless assimilative available available bald barefaced coarse explicit expressed gaping gaping harsh hospitable impartial ingenuous naked nonunion nonunion obvious opened opened public public raw staring staring susceptible unconcealed unconstricted unconstricted undisguised unenclosed unenclosed unfastened unobstructed unprejudiced unprotected unrestricted unrestricted unsealed unsettled unstoppered unstoppered visible vulnerable wide wide eyed wide open wide-eyed wide-open yawning yawning

Synonym Network

accessible afford candid capable clear exposed free loose opened outdoors overt receptive undefendable undetermined unfold

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.