resistance

1 of 2

noun

re·​sis·​tance ri-ˈzi-stən(t)s How to pronounce resistance (audio)
plural resistances
1
a
: an act or instance of resisting : opposition
b
: a means of resisting
2
: the power or capacity to resist: such as
a
: the inherent ability of an organism to resist harmful influences (such as disease, toxic agents, or infection)
b
: the capacity of a species or strain of microorganism to survive exposure to a toxic agent (such as a drug) formerly effective against it
3
: an opposing or impeding force
4
a
: the opposition offered by a body or substance to the passage through it of a steady electric current
b
: a source of resistance
5
: a psychological defense mechanism wherein a patient rejects, denies, or otherwise opposes the therapeutic efforts of a psychotherapist
6
often capitalized : an underground organization of a conquered or nearly conquered country engaging in sabotage and secret operations against occupation forces and collaborators

resistance

2 of 2

adjective

: of, relating to, or being exercise involving pushing or pulling against a source of resistance (such as a weight) to increase strength
resistance training

Examples of resistance in a Sentence

Noun They have shown a stubborn resistance to change. The troops met heavy resistance as they approached the city. The paint shows good weather resistance. Over time the patient could develop a resistance to the drug.
Recent Examples on the Web
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.
Noun
In 2016, more than 80 percent of Taiwanese people believed that resistance in a potential conflict with China would be futile; by 2022, the proportion of the population expressing this view had nearly halved to 43 percent. David Sacks, Foreign Affairs, 8 Nov. 2024 Ras Al Khaimah was previously best known for pearl-diving, its ceramics business and a sweeping mountain range with a 3,000 year-old fort which was the last line of resistance against British forces in 1819. Caroline Reid, Forbes, 5 Nov. 2024 Available in four hues and in regular, petite, and tall lengths, this top layer also boasts water resistance and zippered pockets. Talia Ergas, Travel + Leisure, 4 Nov. 2024 If not, look for a piece that offers a light shell and/or a DWR chemical treatment for more wind and weather resistance, like the Mountain Equipment Oreus or the Arc’Teryx Proton Hybrid Hoody. Kelly Bastone, Outside Online, 4 Nov. 2024 See all Example Sentences for resistance 

Word History

First Known Use

Noun

14th century, in the meaning defined at sense 1a

Adjective

1956, in the meaning defined above

Time Traveler
The first known use of resistance was in the 14th century

Dictionary Entries Near resistance

Cite this Entry

“Resistance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/resistance. Accessed 24 Nov. 2024.

Kids Definition

resistance

noun
re·​sis·​tance
ri-ˈzis-tən(t)s
1
a
: an act or instance of resisting : opposition
b
: a method of resisting
2
: the ability to resist
the body's resistance to disease
3
: an opposing or slowing force
4
: the opposition offered by a body or substance to the passage through it of a steady electric current
5
: a source of resistance
6
often capitalized : a secret organization in a conquered or nearly conquered country fighting against enemy forces

Medical Definition

resistance

noun
re·​sis·​tance ri-ˈzis-tən(t)s How to pronounce resistance (audio)
1
a
: power or capacity to resist
especially : the inherent ability of an organism to resist harmful influences (as disease, toxic agents, or infection)
b
: the capacity of a species or strain of microorganism to survive exposure to a toxic agent (as a drug) formerly effective against it due to genetic mutation and selection for and accumulation of genes conferring protection from the agent especially as a result of overuse of the agent which selectively destroys individual microorganisms lacking the protective genes
2
a
: the opposition offered by a body to the passage through it of a steady electric current
b
: opposition or impediment to the flow of a fluid (as blood or respiratory gases) through one or more passages see vascular resistance
3
: a psychological defense mechanism wherein a psychoanalysis patient rejects, denies, or otherwise opposes therapeutic efforts by the analyst

More from Merriam-Webster on resistance

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!