adj, slang ·Moderate ·College level

Definitions

Adjective

1. 1
   Of or relating to a peak or peaks; belonging to a mountainous region. archaic, colloquial

   "her peakish spring"

2. 2
   Having peaks; peaked. archaic, colloquial
3. 3
   sick; sickly archaic, colloquial

Etymology

From peak + -ish.