A value that is missing.
Of an internal combustion engine: running roughly due to an occasional lack of a spark or other irregular fault.
Not able to be located; gone, misplaced.
Not present when it (they) should be.
To remember; to recall to mind.
The act of remembering; a holding in mind, or bringing to mind; recollection.
Something remembered; a person or thing kept in memory.
That which serves to keep in or bring to mind; a memento, a memorial, a souvenir, a token; a memorandum or note of something to be remembered.
The power of remembering; the reach of personal knowledge; the period over which one's memory extends.
The state of being remembered, or held in mind; memory, recollection.