(also used in combinations) amounting to a large but unspecified number
I have spent many years in teaching
many-coloured hand-woven fabrics
a good/great many
numerous
She's said to have had a great many offers in her time
as many
the same in number
see three plays in as many days
many a
more than one
Many a good candidate has failed that test
many's the
on more than one (occasion, etc)
Many's the time I've vowed never to have him back
[Old English manig]