If you've got myriad problems it doesn't mean you should call a myriad exterminator, it means you've got countless problems; loads of them; too many to count. Welcome to the club.

Myriad is one of those words rarely used in speech but only in written form. You would usually use a phrase like "lots of" or "loads of" instead. I mean, you could say "I've got myriad problems," but everyone would probably just laugh at you, and rightly so. This word derives from ancient Latin and Greek words meaning "ten thousand."

Definitions of myriad

n a large indefinite number

“he faced a myriad of details”
Type of:
large indefinite amount, large indefinite quantity
an indefinite quantity that is above the average in size or magnitude

n the cardinal number that is the product of ten and one thousand

10000, ten thousand
Type of:
large integer
an integer equal to or greater than ten

adj too numerous to be counted

myriad stars”
countless, infinite, innumerable, innumerous, multitudinous, numberless, uncounted, unnumberable, unnumbered, unnumerable
not capable of being computed or enumerated

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