strenuous

Bold is a synonym of strenuous.

As adjectives the difference between bold and strenuous

is that bold is courageous, daring while strenuous is urgent, ardent, zealous.

As a noun bold

is (obsolete) a dwelling; habitation; building.

As a verb bold

is to make (a font or some text) bold.

Potent is a related term of strenuous.

As adjectives the difference between potent and strenuous

is that potent is possessing strength while strenuous is urgent, ardent, zealous.

As a noun potent

is (tincture) a heraldic fur formed by a regular tessellation of blue and white t shapes.

Efficacious is a related term of strenuous.

As adjectives the difference between efficacious and strenuous

is that efficacious is effective; possessing efficacy while strenuous is urgent, ardent, zealous.

Energeticenergetical is a synonym of strenuous.

As an adjective strenuous is

urgent, ardent, zealous.

Audacious is a related term of strenuous.

As adjectives the difference between audacious and strenuous

is that audacious is showing willingness to take bold risks; recklessly daring while strenuous is urgent, ardent, zealous.

High-spirited is a related term of strenuous.

As adjectives the difference between high-spirited and strenuous

is that high-spirited is possessing a bold nature while strenuous is urgent, ardent, zealous.

Confident is a related term of strenuous.

As adjectives the difference between confident and strenuous

is that confident is very sure of something; positive while strenuous is urgent, ardent, zealous.

As a noun confident

is .

As adjectives the difference between effective and strenuous

is that effective is having the power to produce a required effect or effects while strenuous is urgent, ardent, zealous.

As a noun effective

is a soldier fit for duty.

Intrepid is a related term of strenuous.

As adjectives the difference between intrepid and strenuous

is that intrepid is fearless; bold; brave while strenuous is urgent, ardent, zealous.

Dauntless is a related term of strenuous.

As adjectives the difference between dauntless and strenuous

is that dauntless is invulnerable to fear or intimidation while strenuous is urgent, ardent, zealous.