rife

Short definition from Wiktionary

Adjective

1. 1
   Widespread, common, prevalent, current (mainly of unpleasant or harmful things).
2. 2
   Abounding; present in large numbers, plentiful.
3. 3
   Full of (mostly unpleasant or harmful things).
4. 4
   Having power; active; nimble.

Adverb

1. 1
   Plentifully, abundantly.