'Overexcited' often suggests emotional intensity that might be overwhelming or hard to control. He was overexcited and couldn’t sleep the night before his first flight.
Pro Tip 2/3
Excessively Energetic
Used to describe someone, usually implies they're acting with more energy than the situation warrants. The overexcited puppy knocked over the vase during the quiet dinner party.
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Not Always Positive
'Overexcited' can have a negative connotation, implying a lack of control or maturity. The overexcited fans caused chaos after the concert was cancelled.