cansancio

tiredness

noun kan-SAN-syoh Rare

Also means

fatigue

Usage Note

Cansancio refers to the physical or mental sensation of being tired, and is the noun form of cansarse. It is slightly more formal than the adjective cansado used as a noun phrase, and appears frequently in medical and journalistic writing. Fatiga overlaps but carries more clinical weight, while agotamiento implies total exhaustion beyond mere tiredness.

Examples

"Siento un cansancio enorme después del viaje."

Natural Translation

I feel enormous tiredness after the journey.

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