\ˈstreŋ(k)th, ˈstren(t)th \
plural strengths\ˈstreŋ(k)ths, ˈstren(t)ths, ˈstreŋks \

Definition of strength 

1 : the quality or state of being strong : capacity for exertion or endurance

2 : power to resist force : solidity, toughness

3 : power of resisting attack : impregnability

4a : legal, logical, or moral force

b : a strong attribute or inherent asset the strengths and the weaknesses of the book are evident

5a : degree of potency of effect or of concentration chili peppers in varying strengths

b : intensity of light, color, sound, or odor

c : vigor of expression

6 : force as measured in numbers : effective numbers of any body or organization an army at full strength

7 : one regarded as embodying or affording force or firmness : support you are my love and my strength

8 : maintenance of or a rising tendency in a price level : firmness of prices the strength of the dollar

9 : basis used in the phrase on the strength of

from strength to strength

: vigorously forward : from one high point to the next

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Choose the Right Synonym for strength

power, force, energy, strength, might mean the ability to exert effort. power may imply latent or exerted physical, mental, or spiritual ability to act or be acted upon. the awesome power of flowing water force implies the actual effective exercise of power. used enough force to push the door open energy applies to power expended or capable of being transformed into work. a worker with boundless energy strength applies to the quality or property of a person or thing that makes possible the exertion of force or the withstanding of strain, pressure, or attack. use weight training to build your strength might implies great or overwhelming power or strength. the belief that might makes right

Examples of strength in a Sentence

I was impressed by his strength. She's doing exercises to build up the strength in her legs. Don't work too hard. You need to conserve your strength for tomorrow. Pull-ups increase upper body strength. Working on a farm requires a lot of physical strength. the strength and durability of the material I pray that I'll have the strength to do what I have to do. His determination shows real strength of character. Her inner strength is an inspiration to us all.
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Recent Examples on the Web

Major risk factors for accidental falls include lower body weakness, vitamin D deficiency (this nutrient helps with bone strength), vision problems, medicines that affect balance, difficulty walking, and more, according to the CDC. Carolyn L. Todd, SELF, "Emergency Responders Share 9 of the Biggest Death Traps in Your Home," 14 July 2018 And one of those strengths has been finishing off batters in two-strike counts. Dave Melton, Post-Tribune, "Mr. Happy Go Lucky: Metea Valley grad Christian Howell keeps it loose and throws strikes for Northwest Indiana Oilmen," 14 July 2018 Biscop says the arrival of Trump in the White House may be the weight that shifts Europe’s balance toward the common strength and action the US has both encouraged and, at times, undermined. Howard Lafranchi, The Christian Science Monitor, "How strong a Europe does US want? In Trump era, that's still the issue.," 13 July 2018 Breathe easy and find inner-strength with its warm sounds below. Kat Bein, Billboard, "DJ Snake and Niniola Find Inspiration in Soccer On Mellow 'Maradona Riddim': Listen," 13 July 2018 At a news conference the day after McNair died, then-acting athletic director Damon Evans said the team’s strength and conditioning coaches were present during the workout, one of eight one-hour summer sessions sanctioned by the NCAA. Don Markus,, "DJ Durkin was at workout where Jordan McNair was carted off, according to summary released by Maryland," 12 July 2018 Sea Kings coach Dan O’Shea believes that strength and conditioning coach Tony Thornton gives CdM one of the best weight rooms in Orange County. Andrew Turner,, "CdM’s John Humphreys a person of interest for college football recruiters," 12 July 2018 For Cruz partisans, the trick now could be how to project strength without seeming too overconfident. Kevin Diaz And Jeremy Wallace, San Antonio Express-News, "Beto O’Rourke sets new fundraising records," 12 July 2018 Some of the basketball support staff, including athletic trainers and strength-and-conditioning personnel, was also let go after the season. Rick Bonnell, charlotteobserver, "Why Charlotte Hornets passed on restricting Treveon Graham free-agency," 29 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'strength.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of strength

before the 12th century, in the meaning defined at sense 1

History and Etymology for strength

Middle English strengthe, from Old English strengthu; akin to Old High German strengi strong — more at strong

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Statistics for strength

Last Updated

12 Oct 2018

Look-up Popularity

Time Traveler for strength

The first known use of strength was before the 12th century

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More Definitions for strength



English Language Learners Definition of strength

: the quality or state of being physically strong

: the ability to resist being moved or broken by a force

: the quality that allows someone to deal with problems in a determined and effective way


\ˈstreŋth \

Kids Definition of strength

1 : the quality or state of being physically strong He pushed the rock with all his strength.

2 : power to resist force the strength of a rope

3 : ability to produce an effect maximum strength cough syrup

4 : degree of intensity … the full strength of the thunderstorm erupted.— Susan Cooper, The Dark is Rising

5 : power as measured in numbers The army is at full strength.

6 : a strong or positive quality What do you think are your strengths and weaknesses?

7 : the inner courage or determination that allows a person to face and deal with difficulties


\ˈstreŋ(k)th, ˈstren(t)th \
plural strengths\ˈstreŋ(k)ths, ˈstren(t)ths, ˈstreŋks \

Medical Definition of strength 

1 : the quality or state of being strong : capacity for exertion or endurance

2 : degree of potency of effect or of concentration

3 : degree of ionization of a solution used of acids and bases

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More from Merriam-Webster on strength

Thesaurus: All synonyms and antonyms for strength

Spanish Central: Translation of strength

Nglish: Translation of strength for Spanish Speakers

Britannica English: Translation of strength for Arabic Speakers

Comments on strength

What made you want to look up strength? Please tell us where you read or heard it (including the quote, if possible).


to reject or criticize sharply

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