Definition:-

• No longer alive. (adjective)
• (of a place or time) characterized by a lack of activity or excitement. (adjective)
• (of a piece of equipment) no longer functioning. (adjective)
• No longer current, relevant, or important. (adjective)
• (of sound) without resonance; dull. (adjective)
• Complete; absolute. (adjective)
• Absolutely; completely. (adverb)