Synonyms of proper
120 similar words · 60 opposite words
Another word for proper is fit. Other synonyms of proper are appropriate, suitable, apt, official and routine. The opposite of proper is errant.
Synonyms and similar words for proper
adjectiveSuited or acceptable to the purpose or circumstances; fit, suitable.
- correct
- right
- aptSuitable; appropriate; fit or fitted; suited.
- prudent
- uprightIn its proper orientation; not overturned.
- sensible
- fittingAppropriate, suitable, proper.
- allowableAppropriate; acceptable.
- appropriateSuitable or fit; proper; felicitous.
- apropos
- apposite
- commensurateOf a proportionate or similar measurable standard.
- expedient
- felicitous
- fitSuitable; proper.
- fit for purpose BritishAppropriate, and of a necessary standard, for its intended use.
- gainandAppropriate; becoming; fit; suitable; convenient.
- idoneousAppropriate; suitable.
- in lineSuitable or appropriate; keeping with expectations, norms, ideals, or rules.
- likely
- opportune
- seemlyOf behavior, appropriate; suited to the occasion or purpose; becoming.
- suitableHaving sufficient or the required properties for a certain purpose or task; appropriate to a certain occasion.
- tidy
- up to standard BritishOf a necessary standard of quality for its intended use.
- comely archaic, literaryOf a person, an action, behaviour, etc.: meeting accepted moral or social norms; appropriate, becoming, proper.
- decorous obsoleteAppropriate, suitable.
- meet archaicSuitable; right; proper.
- sortable obsoleteSuitable; proper, appropriate.
adjectiveFollowing the established standards of behavior or manners; correct or decorous.
- decent
- goodRight, proper, as it should be.
- polite
- well-manneredHaving good manners; polite, courteous, and socially correct; conforming to standards of good behaviour.
- halal figurativelyIn accordance with standards or usual practice; allowable.
- homodoxConforming to accepted standards or beliefs.
- kosher figurativelyIn accordance with standards or usual practice.
- orthodox
- by the book
- allowed
- conventionalPertaining to a convention, as in following generally accepted principles, methods and behaviour.
- customaryIn accordance with, or established by, custom or common usage.
- natural
- officialDerived from the proper office or officer, or the appropriate authority; made or communicated by authority.
- routineAccording to established procedure.
- traditional
- chaste
- continent
- upstanding
- delicate
- deserving
- dutiful
- duteous
- honest
- innocent
- meritoriousDeserving of merit or commendation; deserving reward.
- modest
- moralConforming to a given standard of right behaviour.
- noble
- right-minded
- righteous
- straightIn proper order; as it should be.
- uprighteousRighteous.
- virtuousFull of virtue; having excellent moral character.
- well-intentionedHaving good intentions, even if producing unfortunate results.
- whole-souledSingle-minded of purpose.
- worthy
- desertful obsoleteDeserving; meritorious.
- virtual obsolete
adjectivePertaining exclusively to a specific thing or person; particular.
- individual
- singularBeing only one of a larger population; single, individual.
- concreteParticular, specific, rather than general.
- discrete
- particularSpecific; discrete; concrete.
- specific
- peculiar dated
adjectiveExcellent, of high quality; such as the specific person or thing should ideally be. (Now often...
- comprehensiveBroadly or completely covering; including a large proportion of something.
- royal
- sweeping
- intensive
adjectiveIn the very strictest sense of the word.
- strictly speakingSaying something as precisely as possible; using a strict sense of a word.
- properly speaking
- par excellenceBeing the proper or truest example of a general name.
adjectiveUtter, complete.
- completeGeneric intensifier.
- total
- utterTo the furthest or most extreme extent; absolute, complete, total, unconditional.
- abjectComplete; downright; utter.
- frightful
- absolute
- prize
- clean
- categoricCategorical.
- categorical
- consummateComplete in every detail, perfect, absolute.
- decided
- downrightAbsolute, complete.
- full
- full-blown
- full-bore
- full-on
- outright
- out-and-outComplete, utter.
- perfectEqual to the sum of its proper divisors.
- preciousThorough; utter.
- pure
- stark
- rank
- regularExemplary; excellent example of; utter, downright.
- root and branchTotal, thorough, sweeping, complete, radical, drastic.
- sheerDownright; complete; pure.
- straight-out
- thorough
- thoroughgoingWith great attention to detail; complete, thorough.
- unadulterated
- unalloyedComplete and unreserved; pure; unadulterated; not restricted, modified, or qualified by reservations.
- unattenuatedNot attenuated.
- uncompromising
- unconditionalAbsolute; without conditions, limitations, reservations or qualifications.
- unfettered
- unmitigated
- unqualified
Opposite of proper
adjectiveSuited or acceptable to the purpose or circumstances; fit, suitable.
- incorrect
- wrong
- bad
- imprudentNot prudent; lacking prudence or discretion; indiscreet; injudicious; not paying attention to the consequences of one's...
- insensible
- improper
- discommensurateNot commensurate.
- inappropriate
- malapropos formalOut of place; inappropriate.
- inaptNot apt.
- incommensurateOut of proportion (in size, degree or extent) with something else.
- inept
- inopportune
- out of line
- out of order
- out of place
- unapt
- unfit
- unseemlyInconsistent with established standards of good form or taste.
- unsuitableNot suitable.
- unhappy dated
adjectiveFollowing the established standards of behavior or manners; correct or decorous.
- indecent
- impoliteNot polite; discourteous; not of polished manners; wanting in good manners.
- ill-manneredHaving bad manners; impolite.
- blasphemousLacking piety or respect for the sacred; resembling blasphemy.
- haramForbidden by Islam: unlawful, sinful.
- heretical
- heterodox
- inorthodoxSynonym of unorthodox.
- nonorthodox
- sinful
- treyfNot kosher.
- unkosherNot kosher.
- unorthodoxUnusual, unconventional, or idiosyncratic.
- anarchistic
- idiosyncraticPeculiar to a specific individual; eccentric.
- incongruitousSynonym of incongruous.
- irregular
- nonconformistNot conforming to established customs, etc.
- odd
- offbeatUnusual; unconventional; not ordinary.
- strange
- unconventional
- unexpectedNot expected, anticipated or foreseen.
- unusualNot usual, out of the ordinary.
- aberrant
- corrupt
- corrupted
- depraved
- lost formal
- dirty-handed
- dissolute
- effete
- errantStraying from the proper course or standard, or outside established limits.
- questionable
- indecorousImproper, immodest, or indecent.
- immodestWithout customary restraint or modesty of expression; shameless.
- immoralBreaching principles of natural law, rectitude, or justice, and so inconsistent with the demands of virtue, purity, or...
- incontinent
- iniquitous
Meaning of proper
- adjective Suited or acceptable to the purpose or circumstances; fit, suitable.
- adjective Following the established standards of behavior or manners; correct or decorous.
- adjective Such that the preimage of every compact set is compact.
proper in other languages
Questions about synonyms of proper
- What is another word for proper?
- Proper has 120 synonyms on Word.ws, such as fit, appropriate, suitable, apt, official, routine, conventional and upright.
- What is the opposite of proper?
- The opposite of proper is errant. Other antonyms of proper are unusual, unsuitable, unexpected, unseemly and bad.
- What does proper mean?
- Proper means suited or acceptable to the purpose or circumstances; fit, suitable.
Source and license
Adapted from Wiktionary: proper (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of proper.” Word.ws, https://word.ws/synonyms/proper. Based on Wiktionary, CC BY-SA 4.0.