arduous
/ˈɑːdjuːəs/adjective
Needing or using up much energy; testing powers of endurance.
Example sentence
- “The movement towards a peaceful settlement has been a long and arduous political struggle.”
Featured as word of the day on September 4, 2026.
Related words
arithmeticThe mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division.ardorGreat warmth of feeling; fervor; passion.arrivalThe act of arriving (reaching a certain place).ardentFull of ardor; fervent, passionate.arriveTo reach; to get to a certain place.archeryThe practice or sport of shooting arrows with a bow.