IPA: /ˈtaɪərdnəs/
KK: /ˈtaɪərdnəs/
The condition of feeling a lack of energy or needing rest.
After a long day at work, I often feel a sense of tiredness.
Tiredness → It is formed from "tired" (from Old English "tīred", meaning exhausted or weary) and "-ness" (a suffix used to form nouns indicating a state or condition). The word "tiredness" refers to the state of being tired or exhausted.
Think of feeling 'exhausted' ('tired') and the '-ness' indicating a state. This helps you remember that tiredness means the state of being tired.