ad. for all time, for all eternity; for an infinite amount of time.
ad. for a very long time, 'an' eternity.
ad. for an excessively long time.
ad. constantly or frequently.
n. An extremely long time.
n. a mythical time in the infinite future that will never come.
the GNU version of the Collaborative International Dictionary of English
ad. eternally. See Forever.
preposition. eternally; at all times. See Forever.
ad. Through eternity; through endless ages; eternally.
ad. At all times; always.
The Century Dictionary and Cyclopedia
A common mode of writing for ever (which see, under ever).
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. for a limitless time
ad. without interruption
ad. for a very long or seemingly endless time
Word Usage
"Not coincidentally, such a route, if found, likely would have been called the Frémont Trail, thus cementing his name forever to the fate of California."