from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To pass out of sight; vanish.
- intransitive v. To cease to exist.
- transitive v. To cause (someone) to disappear, especially by kidnapping or murder.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To vanish.
- v. To make vanish.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To cease to appear or to be perceived; to pass from view, gradually or suddenly; to vanish; to be no longer seen
- intransitive v. To cease to be or exist.
from The Century Dictionary and Cyclopedia
- To vanish from or pass out of sight; recede from view; cease to appear; be no longer seen.
- To pass out of existence or out of knowledge; cease to exist or to be known: as, the epidemic has disappeared.
- To end somewhat gradually or without abrupt termination: as, the path disappeared in the depths of the forest; in entomology, a line on the wing disappearing at the subcostal vein.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. get lost, as without warning or explanation
- v. become invisible or unnoticeable
- v. become less intense and fade away gradually
- v. cease to exist
dis- + appear (Wiktionary)