Synonyms of the word

enervation

• n. Act of enervating; debilitation.
• n. State of being enervated; debility.

debilitation

• n. The act or process of debilitating, or the condition of one who is debilitated; weakness.

enfeeblement

• n. The act of enfeebling; debilitation, enervation or devitalization.

exhaustion

• n. The point of complete depletion, of the state of being used up.
• n. Supreme tiredness; having exhausted energy.
• n. (dated, chemistry) The removal (by percolation etc) of an active medicinal constituent from plant material.
• n. (dated, physics) The removal of all air from a vessel (the creation of a vacuum).
• n. (mathematics) An exhaustive procedure.

weakening

• v. present participle of weaken.
• n. An instance or process of loss of strength.
• n. (uncountable, mathematics) A structural principle of mathematical logic that states that the hypotheses…

weakness

• n. (uncountable) The condition of being weak.
• n. (countable) An inadequate quality; fault.
• n. (countable) A special fondness or desire.