IPA: /ˈdɛd.ən/
KK: /ˈdɛdən/
To become lifeless or to lose energy and vitality.
After the long winter, the garden seemed to deaden, with no flowers blooming.
Past: deadened
Past Participle: deadened
To reduce the intensity, sensitivity, or sound of something, making it less noticeable or effective.
The doctor gave her a shot to deaden the pain before the surgery.
Past: deadened
Past Participle: deadened
Deaden is formed from "de-" (meaning down or away) and "dead" (from Old English "dead", meaning not alive). The word means to make something less alive or to diminish its vitality.
Think of 'making something less alive' — 'de-' means down or away, and 'dead' refers to not being alive.