Easily excited; set off by the slightest excuse; easily enraged or inflamed.
Incapable of burning; not easily set on fire.
Capable of burning; easily set on fire.
Any inflammable substance.
Restless; disturbed by pain, anxiety
I've been uneasy about your friend ever since I met him. Are you sure we can trust him?
Not easy; difficult.
Causing discomfort or constraint
Not easy in manner; constrained