All, but not quite; slightly short of ; close to entirely.
In such a way that it is very close to being something or happening.
(of actions or states) slightly short of or not quite accomplished; "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"; (`near' is used informally for `nearly' as in "I was near exhausted by the run"; `most' is used informally for `almost' as in "most everybody agrees")
(of actions or states) slightly short of or not quite accomplished; all but
