Definition, synonyms and related words
plural of spoiler
"The movie theater banned anyone from carrying spoilers to protect the surprise ending."
Third-person singular simple present indicative form of spoiler
"The movie critic spoils the ending every time she discusses her favorite films."
In plain English: To spoil something means to ruin it by revealing important details before you are supposed to know them.
"The news report spoiled the surprise ending before we even got to the theater."