from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Exceeding all others up to the present time: an all-time speed skating record.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. unsurpassed up to the present time
from the GNU version of the Collaborative International Dictionary of English
- adj. unsurpassed in some respect up to the present.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. unsurpassed in some respect up to the present
all + time (Wiktionary)