To ruin; to damage (something) in some way making it unfit for use.
To ruin the character of, by overindulgence; to coddle or pamper to excess.
To reveal the ending or major events of (a story etc.); to ruin (a surprise) by exposing it ahead of time.
To render (a ballot paper) invalid by deliberately defacing it.
Of food, to become bad, sour or rancid; to decay.
To reduce the lift generated by an airplane or wing by deflecting air upwards, usually with a spoiler.
Material (such as rock or earth) removed in the course of an excavation, or in mining or dredging. Tailings. Such material could be utilised somewhere else.
Plunder taken from an enemy or victim.
To corrupt or damage.
To soil or stain; to dirty.
To become soiled or tarnished.