Part of speech:
The definition of arduous is a way of describing something that is extremely tiring and difficult.
The definition of demanding is requires a lot of effort, skill or attention.
Being in physical motion:
Not easy to persuade or convince; stubborn.
Displaying or characterized by strong enthusiasm or devotion; fervent:
Of or relating to energy.
Resolutely courageous; fearless.
The definition of valiant is someone or something very brave or determined.
Forceful or powerful; strong; energetic
Free from worry, anxiety, trouble, or pain:
Acting, working, or done easily, or in a quick, smooth way; fluent; ready
Weak; not strong
The definition of lethargic is being sluggish or having little energy.
Not interested; indifferent; listless
Having a surface marked by irregularities, protuberances, or ridges; not smooth:
Violent and disorderly, with no concern for rules
Rugged is defined as durable or sturdy, or a rough terrain or landscape.
Abrupt, curt in one's manner or in relation to others.
The definition of dynamic is constant change or motion.
The definition of forceful is someone or something that is strong and powerful.
Of, relating to, or produced by motion.
Full of life; active; vigorous
Full of energy and spirit; lively, brisk, etc.
Full of or characterized by energy and high spirits; lively.
Designating or of a type of film characterized by a fast-paced plot, a series of suspenseful confrontations, violent fight and chase scenes, etc.
taxing to the utmost; testing powers of endurance; ; ; - F.D.Roosevelt
Marked by difficulty or strong resistance; laborious:
Find another word for strenuous. In this page you can discover 39 synonyms, antonyms, idiomatic expressions, and related words for strenuous, like: arduous, demanding, exhausting, active, difficult, ardent, bard, energetic, intrepid, laborious and taxing.