strenuous

adjective

stren·​u·​ous ˈstren-yə-wəs 

1

a

: vigorously active : energetic

b

: fervent, zealous

his most strenuous supporters

2

: marked by or calling for energy or stamina : arduous

a strenuous hike

strenuosity

ˌstren-yə-ˈwä-sə-tē 

noun

strenuously

ˈstren-yə-wəs-lē 

adverb

strenuousness noun

Synonyms

• aggressive
• assertive
• dynamic
• emphatic
• energetic
• forceful
• full-blooded
• muscular
• resounding
• vehement
• vigorous
• violent

Choose the Right Synonym for strenuous

vigorous, energetic, strenuous, lusty, nervous mean having or showing great vitality and force.

vigorous further implies showing no signs of depletion or diminishing of freshness or robustness.

as vigorous as a youth half his age

energetic suggests a capacity for intense activity.

an energetic campaigner

strenuous suggests a preference for coping with the arduous or the challenging.

the strenuous life on an oil rig

lusty implies exuberant energy and capacity for enjoyment.

a lusty appetite for life

nervous suggests especially the forcibleness and sustained effectiveness resulting from mental vigor.

full of nervous energy

Examples of strenuous in a Sentence

Avoid all strenuous exercise until the sprain heals.

Today has been a very strenuous day.

The proposal has faced strenuous opposition.

Recent Examples on the Web

The active wildfires prompted air quality alerts in both New Jersey and New York, with residents discouraged from practicing strenuous outdoor activities. —Mirna Alsharif, NBC News, 10 Nov. 2024

State officials recommended residents limit strenuous outdoor activity. —Eduardo Cuevas, USA TODAY, 9 Nov. 2024

Hike with docents at the Valley View Preserve near Ojai Docents from the Ojai Valley Land Conservancy will host a 2.5-mile, moderately strenuous hike at 8:30 a.m. Sunday through the Valley View Preserve. —Jaclyn Cosgrove, Los Angeles Times, 24 Oct. 2024

Typically, ketosis kicks in when glucose is in short supply, such as during fasting, strenuous exercise, or a very low-carbohydrate diet.1 In recent years, ketosis has been popularized by the ketogenic (keto) diet. —Brittany Lubeck, Ms, Rdn, Verywell Health, 17 Sep. 2024

Word History

Etymology

Latin strenuus

First Known Use

1599, in the meaning defined at sense 1a

Kids Definition

strenuous

adjective

stren·​u·​ous ˈstren-yə-wəs 

1

a

: very active : energetic

leads a strenuous life

b

: fervent, zealous

strenuous protest

2

: showing or requiring great energy

strenuous tasks

strenuously adverb