English Reference
verb · noun

spoil

v. · n.
US /ˈspɔɪɫ/ UK /spˈɔɪl/ spoil

infinitive spoil past spoiled / spoilt past participle spoiled / spoilt

  1. 01 B1 Intermediate

    v.to ruin something or make it less enjoyable.

    v.to impair the quality or value of something; to render something undesirable or unusable.

    Simple

    The sudden rain shower started to spoil our picnic in the park.

    In context

    The construction of the high-rise apartment block threatened to spoil the historic character of the waterfront district.

  2. 02 B2 Upper Intermediate

    v.to give someone, especially a child, everything they want in a way that harms their character.

    v.to harm the character of a person, typically a child, by excessive indulgence or lack of discipline.

    Simple

    The grandparents tend to spoil the children with too many sweets and toys.

    In context

    Psychologists argue that parents who spoil their children by shielding them from every disappointment may hinder their emotional development.

  3. 03 B2 Upper Intermediate

    v.to decay or become unfit to eat.

    v.to undergo a process of decay or chemical change that makes food unpalatable or unsafe.

    Simple

    The milk will spoil if you leave it out on the counter all night.

    In context

    Without proper refrigeration, the entire shipment of fresh produce began to spoil within forty-eight hours of arrival.

  4. 04 B2 Upper Intermediate Informal

    v.to tell someone the ending of a movie or book before they have seen it.

    v.to prematurely disclose significant plot points or the conclusion of a narrative, thereby diminishing the experience for others.

    Simple

    Please don't spoil the movie for me; I haven't seen the ending yet.

    In context

    Social media users were warned not to spoil the series finale for those living in different time zones.

  5. 05 C2 Proficiency Technical Science

    v.to reduce the lift of an airplane wing using a special part called a spoiler.

    v.to intentionally reduce the lift generated by a wing by deflecting air upwards, typically during descent or landing.

    Simple

    The pilot used the flaps to spoil the lift and slow the plane down.

    In context

    By deploying the flight spoilers, the pilot was able to increase the rate of descent without significantly increasing the aircraft's airspeed.

  6. 06 C1 Advanced Informal

    v.to be very eager or impatient for something to happen.

    v.to be extremely eager or impatient, typically used in the progressive form 'spoiling for'.

    Simple

    After weeks of training, the young boxer was spoiling for a fight.

    In context

    The opposition party had been spoiling for a debate on the new tax laws for several months.

    Usage

    Usually appears in the phrase 'spoiling for a fight' or 'spoiling for a chance'.

    eagerdying for
  7. 07 C1 Advanced LiteraryFormal

    n.goods or money taken by a winner after a war or a crime.

    n.goods, property, or territory seized by a victor in a conflict or through illegal means.

    Simple

    The soldiers divided the spoils of war among themselves after the battle.

    In context

    The victors claimed the mineral rights of the occupied territory as part of the spoils of the campaign.

    Usage

    Often used in the plural form 'spoils'.

  8. 08 C2 Proficiency Technical Science

    n.the earth and rocks that are dug up during building or mining.

    n.waste material, such as earth or rock, produced during excavation, mining, or dredging operations.

    Simple

    The construction crew moved the spoil to a different part of the site.

    In context

    Environmental regulations required the mining company to contain the spoil in a way that prevented heavy metals from leaching into the groundwater.

    tailingswaste

Salt adds flavor and helps slow the growth of microorganisms that would spoil the meat.

The Conversation· 17 Aug 2026

He said he had been serving the area for more than 20 years without a complaint and was determined "not to let one individual spoil it for everybody else".

BBC News· 14 Aug 2026

From Middle English spoilen, spuylen, borrowed from Old French espoillier, espollier, espuler, from Latin spoliāre (“pillage, ruin, spoil”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin spoliō
Level B2 · Upper Intermediate
Frequency Frequent
Updated