ネタバレ

ねたばれ
noun
spoiler
1. spoiler (plot reveal)
Revealing key plot details of a story, movie, or game before others have experienced it. From ネタ (material/story element) + バレる (to be exposed).
ネタバレしないでください!
Please don't spoil it!
うっかりネタバレを()てしまった。
I accidentally saw a spoiler.
ネタバレ注意(ちゅうい)以下(いか)結末(けつまつ)(ふく)みます。
Spoiler warning: The following contains the ending.

ネタバレ means spoiler - revealing plot details before someone has experienced the story.

WORD FORMATION:
ネタ (story element/material) + バレる (to be exposed) = spoiler

COMMON EXPRESSIONS:

  • ネタバレ注意(ちゅうい): spoiler warning
  • ネタバレする: to spoil (reveal plot)
  • ネタバレを()る: to see a spoiler
  • ネタバレ禁止(きんし): no spoilers
  • ネタバレあり: contains spoilers
  • ネタバレなし: spoiler-free

USAGE:

Very common in online discussions about:

  • 映画(えいが): movies
  • アニメ: anime
  • ゲーム: games
  • 小説(しょうせつ): novels
  • マンガ: manga

NOTE:
Often written in brackets 【ネタバレ】 as a warning header in reviews and discussions.