Alternative form of too many cooks spoil the broth

One cannot expect success at the first attempt; practice makes perfect.

(transitive, fandom slang) To mark (a document or message) with a spoiler warning, to prevent readers from accidentally learning details they would prefer not to know.

One who spoils; a plunderer; a pillager; a robber; a despoiler. / One who corrupts, mars, or renders useless.

plural of spoiler

Third-person singular simple present indicative form of spoiler

(voting theory) the effect a minor party candidate with little chance of winning has upon a close election, when that candidate's presence in the election draws votes from a candidate similar to them, thereby causing a candidate dissimilar to them to win the election.

(fandom slang) Spoilers for recent comic books (which are typically released each Wednesday).

An indication, placed in a text, that the plot of a drama is about to be exposed / Indicates that the speaker is about to reveal something unanticipated or unpleasant

Used other than figuratively or idiomatically: see spoiler, alert: a warning that plot elements in a drama will be exposed.