The act of self-defilement was considered a grave sin in ancient times.

Gay-related immune deficiency is a term used to describe a group of symptoms and infections that occur in people with weakened immune systems, particularly those who are gay or bisexual.

The Pac-Man defence is a strategy used by a target company to prevent a hostile takeover by acquiring the company that is trying to acquire it.

The defense attorney presented compelling evidence in court.

The defective matrices were causing errors in the calculations.

The defective matrix caused errors in the calculations.

The team's rush defence was relentless, putting constant pressure on the quarterback.

He bid defiance to his enemies.

Tower defence is a popular strategy game.

Many companies offer defined contribution retirement plans.