From WordNet (r) 3.0 (2006) [wn]:
almost
adv 1: (of actions or states) slightly short of or not quite
accomplished; all but; "the job is (just) about done";
"the baby was almost asleep when the alarm sounded";
"we're almost finished"; "the car all but ran her down";
"he nearly fainted"; "talked for nigh onto 2 hours"; "the
recording is well-nigh perfect"; "virtually all the
parties signed the contract"; "I was near exhausted by
the run"; "most everyone agrees" [syn: about, almost,
most, nearly, near, nigh, virtually, {well-
nigh}]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Almost \Al"most\ ([add]l"m[=o]st), adv. [AS. ealm[ae]st,
[ae]lm[ae]st, quite the most, almost all; eal (OE. al) all +
m?st most.]
Nearly; well nigh; all but; for the greatest part.
[1913 Webster]
Almost thou persuadest me to be a Christian. --Acts
xxvi. 28.
[1913 Webster]
Almost never, hardly ever; scarcely ever.
Almost nothing, scarcely anything.
[1913 Webster]