On Halloween, you can find candy in abundant supply. Use abundant to describe something that exists in large amounts that are more than what's needed.
Near synonyms are plentiful, emphasizing "large amounts," and ample, emphasizing "more than enough." The adjective abundant is commonly followed by the prepositions with or in, to mean "filled with or rich in something": a region abundant in natural resources. Abundant comes from Middle English aboundant, from Old French abondant, from Latin abundāns, form of abundāre "to overflow."
adj present in great quantity
existing in abundance
ample, copious, plenteous, plentiful, rich
affording an abundant supply
large in number or quantity (especially of discourse)
obtained with little effort or sacrifice, often obtained illegally
exuberant, lush, luxuriant, profuse, riotous
produced or growing in extreme abundance
abounding; having a lot of
having or being more than normal or necessary:"long on brains"
overabundant, plethoric, rife
existing in great number or quantity
(of a plant) having a lush and unchecked growth
most excessively abundant
abundantly filled with especially living things
pouring in abundance
characterized by abundance of verdure
more than enough in size or scope or capacity
possessing material wealth