tiredness

Concise Oxford English Dictionary © 2008 Oxford University Press:
tired/ˈtʌɪəd/

▶adjective

• 1 in need of sleep or rest; weary.

• 2 (of a thing) no longer fresh or in good condition.

  ■ boring or uninteresting because overfamiliar: tired clichés.

  ■ (tired of) bored or impatient with.

– phrases
tired and emotional euphemistic drunk.

– derivatives
tiredly adverb,
tiredness noun.