linger

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To stay in a place or be slow in leaving it, often out of reluctance: synonym: stay.
• intransitive verb To continue or persist.
• intransitive verb To remain feebly alive for some time before dying.
• intransitive verb To proceed slowly; saunter.
• intransitive verb To devote considerable time to something, especially in a leisurely fashion.

from The Century Dictionary.

• To make long; prolong; protract; delay; put off; defer.
• To spend in an inactive or tedious manner; drag: with out, and sometimes away.
• To remain in a place or a state for an unusual, undue, or unexpected length of time; defer action, movement, decision, etc., either from inclination or necessity; hold back; tarry; delay; loiter.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb To delay; to loiter; to remain or wait long; to be slow or reluctant in parting or moving; to be slow in deciding; to be in suspense; to hesitate.
• transitive verb obsolete To protract; to draw out.
• transitive verb To spend or pass in a lingering manner; -- with out.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb intransitive To stay or remain in a place or situation, especially as if unwilling to depart or not easily able to do so.
• verb intransitive To remain alive or existent although still proceeding toward death or extinction; to die gradually.
• verb intransitive To consider or contemplate for a period of time; to engage in analytical thinking or discussion.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb move to and fro
• verb remain present although waning or gradually dying
• verb be about
• verb take one's time; proceed slowly
• verb leave slowly and hesitantly