Make something smaller in amount, size, price, or intensity.

Lose weight; become thinner.

Bring someone or something to a lower or worse state; demote.

• Force into a particular condition.

Boil a liquid to evaporate water and thicken the mixture.

Cause a substance to gain electrons or lose oxygen; chemically reduce.

Simplify an expression, fraction, or problem to a simpler form.

Restore a fractured or dislocated bone to proper alignment.