all_but
1. [ adverb ] (of actions or states) slightly short of or not quite accomplished
Synonyms: almost nearly just_about virtually well-nigh most near about nigh
Examples:

"the job is (just) about done" "the baby was almost asleep" "we're almost finished" "the car all but ran her down" "he nearly fainted" "well-nigh perfect" "virtually everyone"

Similar spelling:   albuterol