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In anger

adv

Adverb

1
With the intent of causing damage or harm to an opponent; in combat, rather than in peacetime training. especially
"The Napier of Magdala Battery never fired a shot in anger: it never engaged in combat."
2
In a real situation, rather than only in theory or as part of practice or learning.
""Have you used it in anger yet?" The time is a dozen years ago, the place is Oxford, and my fellow postdoc has just scrutinized my new bike. He's admired the chrome, checked the gears, noted the Kryptonite lock. Now he wants to know if I've used it to serious purpose. Gleaming chrome is well and good, but will it run you through the woods? "Have you used it in anger yet?""

Unscramble this word: inanger