Meaning : Conducive to or feeling mental discomfort.
Example :
This kind of life can prove disruptive and uncomfortable.
The uncomfortable truth.
Grew uncomfortable beneath his appraising eye.
An uncomfortable way of surprising me just when I felt surest.
The teacher's presence at the conference made the child very uncomfortable.
Free from stress or conducive to mental ease. Having or affording peace of mind.
Was settled in a comfortable job, one for which he was well prepared.Meaning : Providing or experiencing physical discomfort.
Example :
An uncomfortable chair.
An uncomfortable day in the hot sun.
Providing or experiencing physical well-being or relief (`comfy' is informal).
Comfortable clothes.