Overkill – Much more of something than is necessary

(Pronounced oh-vuh-kill)

To remember the definition of the word overkill, use the following mnemonic:

She was overly skilled (overkill) for the task, having far more expertise than necessary.

Examples of overkill in a sentence

The amount of photos taken at the ceremony was overkill. 

The painter went overkill with the bright coloured paint.

The student made sure he went overkill on his studying.