Synonyms of nigh on in English:

nigh on


See definition of nigh

phrase

1‘highlights are nigh-on impossible to pick out’

SYNONYMS
well-nigh, almost, nearly, just about, more or less, practically, virtually, all but, as good as, next to, close to, near, to all intents and purposes, approaching, bordering on, verging on, nearing, about
roughly, approximately
not quite
informal pretty nearly, pretty much, pretty well