Synonyms of the word

exhausting

• adj. Very tiring.
• v. present participle of exhaust.

debilitating

• adj. Causing a loss of energy or strength.
• v. present participle of debilitate.

draining

• v. present participle of drain.
• adj. That drains.
• n. (uncountable) The practice of exploring drains, tunnels, or sewers.
• n. (countable) The process by which something is drained or emptied.
• n. (countable, usually in the plural) The liquid drained from something.

effortful

• adj. Requiring or showing effort.

tiring

• v. present participle of tire.
• n. (uncountable) Action of the verb to tire.
• n. (falconry) Bits of bone and tough organic material from a corpse given to hawks to abate their hunger.
• adj. That tires or tire.

wearing

• adj. intended to be worn.
• adj. causing tiredness.
• adj. causing erosion.
• n. The mechanical process of eroding or grinding.
• n. The act by which something is worn.
• n. That which is worn; clothes; garments.
• v. present participle of wear.

wearying

• v. present participle of weary.