umpteen
number
[ ʌm(p)ˈtiːn ]
• indefinitely many; a lot of.
• "you need umpteen pieces of identification to cash a cheque"
Similar:
countless,
numerous,
innumerable,
very many,
ever so many,
untold,
lots of,
loads of,
masses of,
heaps of,
stacks of,
piles of,
bags of,
oodles of,
tons of,
hundreds of,
thousands of,
myriad,
divers,
Origin:
early 20th century: humorous formation based on -teen.