わんさか

adverb

in swarms; in great crowds; in huge numbers

Describes people, animals, or things appearing or gathering in large, often lively numbers. Colloquial and somewhat emphatic.

• 祭まつりには人ひとがわんさか集あつまっていた。

  People had gathered in swarms at the festival.

adverb

plentifully; a lot

Used for an abundant amount of something, often with a sense of overflowing or more than enough. Can be used for both countable and uncountable things.

• 畑はたけにはトマトがわんさか実みのっている。

  Tomatoes are growing plentifully in the field.