Synonyms of the word 
DRAINING → DEBILITATING - EXHAUSTING
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.
debilitating
- adj. Causing a loss of energy or strength.
- v. present participle of debilitate.
exhausting
- adj. Very tiring.
- v. present participle of exhaust.
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