well-nigh
adverb
• almost.
• "a task that is well-nigh impossible"
Similar:
almost,
nearly,
just about,
about,
more or less,
practically,
virtually,
all but,
as good as,
next to,
close to,
near,
nigh on,
to all intents and purposes,
approaching,
bordering on,
verging on,
nearing,
roughly,
approximately,
not quite,
pretty nearly,
pretty much,
pretty well,