Found 2 items, similar to well-nigh.
English → English (WordNet)
Definition: well-nigh
well-nigh
adv : (of actions or states) slightly short of or not quite
accomplished; `near' is sometimes used informally for
`nearly' and `most' is sometimes used informally for
`almost'; 
“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, 
just about
, 
almost, 
most, 
all but, 
nearly, 
near,
nigh, 
virtually]
English → English (gcide)
Definition: Well-nigh
Well-nigh 
\Well"-nigh`\, adv.
Almost; nearly. --Chaucer.
[1913 Webster]