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"battle" is also used as a crossword clue. If that's what you saw, the answer is often war (3 letters).
Definitions
an energetic attempt to achieve something
Word origin
From Early Modern English batell, probably from Middle English *batel (“flourishing”), from Old English *batol (“improving, tending to be good”), from batian (“to get better, improve”) + -ol ( + -le).
Used in a sentence
“the battle of life”
“Australian broadcaster Clive James has admitted that he is losing his long-fought battle with leukaemia.”
“Thenne kyng Arthur made redy his hooſt in x batails and Nero was redy in the felde afore the caſtel Tarabil with a grete hooſt / & he had x batails with many mo peple than Arthur had […]”
Then King Arthur made ready his host in 10 battles and Nero was ready in the field before the castle Tarabil with a great host / and he had 10 battles with many more people than Arthur had […]
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer3 curated clues
01“Fight between forces”6 letters
02“Military fight”6 letters
03“Big fight”6 letters
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