Definitions

1. adjective

having or showing a feeling of tiredness or confusion, especially after not sleeping well or being ill; groggy refers to a state of being half-awake and disoriented, often accompanied by dizziness and difficulty concentrating.

“She woke up feeling groggy after a long and restless night.”

2. noun

a groggy feeling, especially as a result of sleep deprivation or illness.

“The morning after the party, the group experienced a collective groggy feeling.”