Cranky has 3 different meanings across 1 category:
Adjective
Adjective
1
(used of boats) inclined to heel over easily under sail
"The old sloop was so cranky that a sudden gust sent her heels dipping dangerously low in the water."
2
easily irritated or annoyed
"an incorrigibly fractious young man"
"not the least nettlesome of his countrymen"
3
Weak, unwell.
"After staying up all night studying for his finals, he looked so cranky that I worried he might faint during class."