cata-

Usage

• cataclysm

  A cataclysm is a violent, sudden event that causes great change and/or harm.

• catatonic

  A catatonic person is in a state of suspended action; therefore, they are rigid, immobile, and unresponsive.

• catalyst

  A catalyst is an agent that enacts change, such as speeding up a chemical reaction or causing an event to occur.

• catastrophe

  A catastrophe is a widespread terrible disaster that is often accompanied by many deaths.

• category

  A category is a class or group of similar things, such as fruit, nuts, or nouns.