below

Not up to the average or normal standard.

Of a punch, landing illegally, below the opponent's waist.

Common, vulgar; of low standing.

to originate under the ocean.

Inferior to the norm.

To go under a marker or limit; to be reduced beyond a certain amount.

To go below deck on a ship; to leave the top deck of a ship.

To act unfairly, unscrupulously, or to make a cruel, personal attack during an argument or competition.

To achieve or perform at a level lower than should be expected based on one's preparation, attributes, rank, or past accomplishments.

To order someone to go below the top deck on a ship.