Merriam-Webster's Collegiate® Dictionary, 11th Edition
ANY
I. adjective see: one Date: before 12th century one or some indiscriminately of whatever kind:, one or another taken at random , every , one, some, or all indiscriminately of whatever quantity:, one or more, all , a or some without reference to quantity or extent ,
3. unmeasured or unlimited in amount, number, or extent , appreciably large or extended ,
II. pro noun , singular or plural in construction Date: before 12th century any person or persons ; anyone ,
2. any thing or things, any part, quantity, or number,
III. adverb
Date: 14th century
to any extent or degree ; at all