fever pitch

US /ˈfiːvər pɪtʃ/
UK /ˈfiːvər pɪtʃ/
"fever pitch" picture
1.

a state of extreme excitement, emotion, or activity

:
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The excitement reached fever pitch as the band took the stage.
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Negotiations reached a fever pitch just before the deadline.
:
pitchpitch infeverbrushback pitchelevator pitchhay feveryellow fever