proper

adjective

ˈprä-pər How to pronounce proper (audio)
Definition of propernext
1
as in polite
following the established traditions of refined society and good taste the formal ball called for proper attire—tuxedos and full-length gowns only

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2
as in correct
being in agreement with the truth or a fact or a standard there is really more than one proper way to pronounce that word in English

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3
as in formal
marked by or showing careful attention to set forms and details we had nodded and said hello to one another but had never had a proper introduction

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4
as in appropriate
meeting the requirements of a purpose or situation you'll need to have a proper diet if you want to lose weight

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5
as in characteristic
serving to identify as belonging to an individual or group malaria and other diseases that are proper to the tropics

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Synonym Chooser

How does the adjective proper differ from other similar words?

Some common synonyms of proper are appropriate, apt, felicitous, fitting, fit, happy, meet, and suitable. While all these words mean "right with respect to some end, need, use, or circumstance," proper suggests a suitability through essential nature or accordance with custom.

proper acknowledgement

When would appropriate be a good substitute for proper?

Although the words appropriate and proper have much in common, appropriate implies eminent or distinctive fitness.

an appropriate gift

When can apt be used instead of proper?

The meanings of apt and proper largely overlap; however, apt connotes a fitness marked by nicety and discrimination.

apt quotations

When is it sensible to use felicitous instead of proper?

While in some cases nearly identical to proper, felicitous suggests an aptness that is opportune, telling, or graceful.

a felicitous phrase

When is fit a more appropriate choice than proper?

In some situations, the words fit and proper are roughly equivalent. However, fit stresses adaptability and sometimes special readiness for use or action.

fit for battle

When might fitting be a better fit than proper?

The words fitting and proper can be used in similar contexts, but fitting implies harmony of mood or tone.

a fitting end

In what contexts can happy take the place of proper?

The words happy and proper are synonyms, but do differ in nuance. Specifically, happy suggests what is effectively or successfully appropriate.

a happy choice of words

When could meet be used to replace proper?

The synonyms meet and proper are sometimes interchangeable, but meet suggests a just proportioning.

meet payment

Where would suitable be a reasonable alternative to proper?

While the synonyms suitable and proper are close in meaning, suitable implies an answering to requirements or demands.

clothes suitable for camping

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of proper The executive order should provide specific oversight measures to ensure proper implementation. — David S. Cohen, Foreign Affairs, 8 Oct. 2026 The new lineup runs proper Android, instead of the custom Fire OS, and has full access to the Play Store, which wasn’t available on Fire tablets. — Terrence O'Brien, The Verge, 8 Oct. 2026 Would require that law enforcement notify federal immigration officials when immigrants without proper legal status are charged with a violent crime or, if they were previously convicted of a felony, are charged with any new offense. — Seth Klamann, Denver Post, 8 Oct. 2026 The facility was not using the proper filtration system in the other building. — Ruben Vives, Los Angeles Times, 8 Oct. 2026 See All Example Sentences for proper
Recent Examples of Synonyms for proper
  1. polite
  2. correct
  3. formal
  4. appropriate
  5. characteristic
  6. satisfactory
  7. accurate
  8. nice
Adjective
  • Tonight's format, with Georgians asking the questions of candidates, meant a very polite back-and-forth between Jackson and Bottoms dominated the first half of the debate.
    — AJC.com, AJC.com, 7 Oct. 2026
  • Cagle added that the photo showed a confident, brilliant, brave, polite, gracious, kind and gentle young man.
    — Shambhavi Rimal, Fort Worth Star-Telegram, 5 Oct. 2026
Definition of polite
Adjective
  • There was just one white—Blanc de Lynch-Bages 2025—so everyone got that one correct.
    — Erin Florio, Condé Nast Traveler, 11 Oct. 2026
  • During radiotherapy, small tattoos can help clinicians repeatedly align radiation beams with the correct treatment area.
    — Rupendra Brahambhatt, Interesting Engineering, 10 Oct. 2026
Definition of correct
Adjective
  • In one of those roles, the chair assembled a formal transition committee that met with me throughout my first six months.
    — Anna Maria Chavez, Fortune, 11 Oct. 2026
  • This most recent collection from McCartney features a massive array of differing styles ranging from casual to chic and formal, with Stern’s choice of the elegant bodice an excellent one for the Albie Awards.
    — Erin Wisti, Footwear News, 10 Oct. 2026
Definition of formal
Adjective
  • The architecture is designed to let robots interpret their surroundings, predict how environments may change, and choose appropriate actions.
    — Jijo Malayil, Interesting Engineering, 9 Oct. 2026
  • Dermatologists can also help patients understand which treatments are appropriate to use during and after cancer therapy.
    — ABC News, ABC News, 9 Oct. 2026
Definition of appropriate
Adjective
  • Its inclusion in the corridors of power is characteristic of the 52-year-old executive, whom colleagues describe as committed, charismatic and down-to-earth.
    — Jenny B. Fine, Footwear News, 9 Oct. 2026
  • Our brains continuously predict what should happen next, and when the outcome differs from that prediction, characteristic neural responses can appear.
    — New Atlas, New Atlas, 4 Oct. 2026
Definition of characteristic
Adjective
  • After months of negotiations failed to yield a satisfactory agreement, the union approved strike action earlier this month in a vote held in tandem with unions at the Brooklyn Museum and American Folk Art Museum.
    — Tessa Solomon, ARTnews.com, 5 Oct. 2026
  • The effort displayed by Kansas’ 14 men’s basketball players at Bill Self’s 24th annual Boot Camp proved satisfactory to the Hall of Fame Jayhawks coach.
    — Gary Bedore, Kansas City Star, 3 Oct. 2026
Definition of satisfactory
Adjective
  • Moreover, the company says automatic workout recognition is twice as accurate as before, with 50% fewer missed activities.
    — Andrew Gebhart, PC Magazine, 12 Oct. 2026
  • Google says the new model means auto activity tracking is twice as accurate and supports over 100 activities.
    — Victoria Song, The Verge, 12 Oct. 2026
Definition of accurate
Adjective
  • Also, a foul ball hit by almost any player would be a nice souvenir.
    — Scott Simon, NPR, 10 Oct. 2026
  • Sure enough, there were a few hares in the field and the grass was just long enough to give a bit of protection to the hares and set a nice backdrop for the photographs.
    — New Atlas, New Atlas, 10 Oct. 2026
Definition of nice

Browse Nearby Words

propensity
proper
properly
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Cite this Entry

“Proper.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proper. Accessed 14 Oct. 2026.

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