bluntish

Example:His dullish response to the question indicated that he was not paying full attention.

Definition:Lacking sharpness, clarity, or precision; not keenly perceptive.

Example:The uncouth manner of some of the guests at the event was a bit off-putting.

Definition:Rude or unrefined in behavior, speech, or appearance.

Example:The unrefined technique in his performance was evident from the crude movements.

Definition:Not polished or sophisticated; crude or rough.