The term"end run" has a couple of meanings, but we'll start with the onerelated toAmerican football, as you suggested.
Definition:
In American Football: An "end run" is a play where a player has the ball and tries to run around the end of the offensiveline to gain yardage. Instead of goingstraightthrough the middle of the defense, the playerruns to the side (the "end") to avoid defenders.
UsageInstructions:
You can use "end run" when talkingaboutfootballstrategiesor plays. It’smostlyused in a sportscontext.
Example:
"The quarterbackcalled for an end run to get around the defensiveline."
AdvancedUsage:
In a broadersense, "end run" can also be usedmetaphorically in businessorpolitics to describe a way of achievingsomethingbygoingaroundobstaclesoravoidingdirectconfrontation. For example:
"The company took an end run around the regulationsbyfinding a loophole."
Word Variants:
The term is primarilyusedas a noun ("end run"). There aren’t manydirect variants, but you mightseeit in different contexts, suchas "end-running" when usedas a verbform in the metaphoricalsense.
Different Meanings:
As mentioned, in football, itspecificallyrefers to a type of play. In a non-sportingcontext, it can meancircumventingrulesor challenges.
Synonyms:
For the footballcontext, you mightnotfindexact synonyms, butrelatedterms could include "sweep" or "run to the outside."
In the metaphoricalsense, synonyms could be: "bypass," "evade," "sidestep," or "circumvent."
Idioms and Phrasal Verbs:
There aren't specificidiomsorphrasalverbs that directlyrelate to "end run," but you mightcome acrossphraseslike "go around" or "get around" when discussing the metaphoricalmeaning.
Summary:
End Run (noun): A football playrunningaround the end of the line; can alsomean to circumventobstacles in a non-sportingcontext.
Noun
(American football) an attempt to advance the ballbyrunningaround the end of the line