Adjective groggy has 1 sense

1. dazed, foggy, groggy, logy, stuporous - stunned or confused and slow to react (as from blows or drunkenness or exhaustion)
   Antonym: energetic (indirect, via lethargic)
   

Groggy

Part of Speech: Adjective

Meaning:

1. Feeling dazed, sleepy, or lacking energy after waking up or due to illness or fatigue.
2. Mentally unclear or muddled, often as a result of tiredness or the influence of drugs or alcohol.

Usage:

• 1.1: I felt groggy after pulling an all-nighter for the exam.
• 1.2: The flu left me feeling groggy and exhausted for days.
• 2.1: His groggy mind struggled to remember what happened the night before.
• 2.2: The medication made her groggy and unable to concentrate.

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