groggy

/G R AA1 G IY0/
adjective
  1. 1

    Slowed or weakened, as by drink, sleepiness, etc.

    โ€œThe medicine made him groggy and irritable.โ€

  2. 2

    Of a horse: bearing wholly on its heels when trotting.

Source: https://en.wiktionary.org/wiki/groggy