No longer alive; having lost life. The dead leaves crunched underfoot as we walked through the forest.
No longer functioning or in use; inactive. The phone line was dead, so we couldn't make any calls.
Lacking in activity or excitement; dull. The party was dead, with hardly anyone dancing or talking.
Lacking in feeling or sensitivity; numb. After sitting in the same position for hours, her leg was dead.
Total or absolute, especially of silence, calm, or other state. After the announcement, a dead silence fell over the hall.