¹ down adverb

• from a higher to a lower place or position
• in a low position or place
• to or toward the ground or floor

² down adjective

• in a low place or position : on the ground or floor
• going downward
• lower in price or value

³ down preposition

• from a higher to a lower part of (something)
• along the course or path of (something)

⁴ down noun

• a period or state of failure, trouble, etc.—usually plural
• one of a series of four chances that a team has to move the ball forward 10 yards in order to keep the ball and begin a new series

⁵ down noun

• small and very soft feathers —often used before another noun
• small soft hairs

⁶ down verb

• to cause (something) to fall to the ground
• to eat or drink (something) especially quickly
• to cause (a football) to be out of play