Definition of refractorynext
1
2

Synonym Chooser

How does the adjective refractory differ from other similar words?

Some common synonyms of refractory are headstrong, intractable, recalcitrant, ungovernable, unruly, and willful. While all these words mean "not submissive to government or control," refractory stresses resistance to attempts to manage or to mold.

special schools for refractory children

When can headstrong be used instead of refractory?

The words headstrong and refractory can be used in similar contexts, but headstrong suggests self-will impatient of restraint, advice, or suggestion.

a headstrong young cavalry officer

Where would intractable be a reasonable alternative to refractory?

While in some cases nearly identical to refractory, intractable suggests stubborn resistance to guidance or control.

intractable opponents of the hazardous-waste dump

When would recalcitrant be a good substitute for refractory?

Although the words recalcitrant and refractory have much in common, recalcitrant suggests determined resistance to or defiance of authority.

acts of sabotage by a recalcitrant populace

In what contexts can ungovernable take the place of refractory?

The meanings of ungovernable and refractory largely overlap; however, ungovernable implies either an escape from control or guidance or a state of being unsubdued and incapable of controlling oneself or being controlled by others.

ungovernable rage

When is unruly a more appropriate choice than refractory?

The synonyms unruly and refractory are sometimes interchangeable, but unruly implies lack of discipline or incapacity for discipline and often connotes waywardness or turbulence of behavior.

unruly children

When could willful be used to replace refractory?

The words willful and refractory are synonyms, but do differ in nuance. Specifically, willful implies an obstinate determination to have one's own way.

a willful disregard for the rights of others

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 refractory It is meant to treat only people with refractory myeloma. Sarah Hudgens, Health, 23 Sep. 2024 Similar to refractory bricks, firebricks can store heat or insulate, depending on what they’re made from. New Atlas, 5 Aug. 2024 This current study extends the successful results previously published on the virus-free preparation of CD19-specific CAR T-cells against refractory B cell malignancies utilizing Applied DNA's Linea™ DNA. Kansas City Star, 13 May 2024 Marinus Pharmaceuticals said an experimental treatment for refractory status epilepticus failed to meet early stopping criteria for a Phase 3 study. Meghana Keshavan, STAT, 15 Apr. 2024 See All Example Sentences for refractory
Recent Examples of Synonyms for refractory
Adjective
  • This vibe continues to be brought to you courtesy of your co-ruling planet, rebellious Uranus, moving into your fifth house of self-expression on April 25, empowering you to lean fully into your penchant for unconventionality and incorporating the element of surprise in your personal style.
    Maressa Brown, InStyle, 9 Jan. 2026
  • But very soon, that could be rebellious Venezuelan locals seeking to protect their path to democratic sovereignty and resist foreign interference.
    Anthony Dominguez, Sun Sentinel, 5 Jan. 2026
Adjective
  • These two ingredients mixed together creates a powerful mixture perfect for lifting stubborn stains off grout because of their high cleaning and brightening properties.
    Ashlyn Needham, Southern Living, 10 Jan. 2026
  • The vinegar cleaning method isn’t foolproof, and sometimes stubborn residue can remain on your microwave walls.
    Gemma Johnstone, The Spruce, 10 Jan. 2026
Adjective
  • In December 2002, the MPCI joined forces with two other rebel factions to form the New Forces of Ivory Coast (FNCI).
    Jay Harris, New York Times, 9 Jan. 2026
  • Two men are targeted by the rebel army who overthrew the government of Colonel Jacobo Arbenz Guzman.
    CBS News, CBS News, 3 Jan. 2026
Adjective
  • Adams had carefully shepherded it through an often-recalcitrant City Council and through the gauntlet of demands coming from both the real estate lobby and pro-housing advocates.
    New York Daily News Editorial Board, New York Daily News, 1 Jan. 2026
  • Putin has been recalcitrant about accepting previous Trump plans to end the war.
    Benjamin Weinthal, FOXNews.com, 27 Nov. 2025
Adjective
  • Abbas Maroufi’s The Body of Farhad (1998) takes a more defiant approach.
    Amir Ahmadi Arian, The Dial, 15 Jan. 2026
  • The Seton Hall crowd was loud and its press was defiant, but this time the Huskies escaped.
    Joe Arruda, Hartford Courant, 14 Jan. 2026
Adjective
  • The debate over wolves may seem like an intractable clash of values.
    Justin Angle, The Conversation, 6 Jan. 2026
  • Still, intractable issues remain.
    NBC News, NBC news, 6 Jan. 2026
Adjective
  • Leaders often blame uncontrollable factors—policies of previous administrations, hiring for a boom that fizzled unexpectedly, macroeconomic uncertainty, the rise of artificial intelligence—but all too often the real strategic issues go unaddressed.
    Harvard Business Review, Harvard Business Review, 1 Jan. 2026
  • The phenomenon of cavitation—the formation and collapse of tiny gas bubbles due to changes in pressure—was considered an undesirable and largely uncontrollable side effect.
    IEEE Spectrum, IEEE Spectrum, 22 Dec. 2025
Adjective
  • Workers said the Louvre had buckled under mass tourism, citing unmanageable crowds, chronic understaffing and deteriorating working conditions.
    Thomas Adamson, Fortune, 14 Jan. 2026
  • The union says hospitals have given nurses unmanageable workloads.
    Los Angeles Times, Los Angeles Times, 12 Jan. 2026

Browse Nearby Words

Podcast

Cite this Entry

“Refractory.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/refractory. Accessed 20 Jan. 2026.

More from Merriam-Webster on refractory

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!