His remark was really out of line .

Your remark is irrelevant to our argument.

His erudition in the field of medicine was remarkable.

The remarkable achievement of the team impressed everyone.

His achievement in the field of science is remarkable.

A casual remark can hurt someone.

He made a facetious remark during the meeting.

He made a fatuous remark during the meeting.

His infelicitous remark offended everyone in the room.

His remark put me out of countenance.