Cases of word usage

1) to rule (people) unjustly or cruelly; to cause (a person) to feel troubled, uncomfortable (oppress)

2) (of surfaces) not level, smooth or polished; not calm, with uncomfortable movements; not gentle; acting violently (rough)

3) (of a person) self-conscious and uncomfortable in the presence of others; (of animals etc) easily frightened (shy)

4) (of surface) level or polished, like glass; calm and free from uncomfortable movement; (of a liquid mixture) free from lumps (smooth)

5) uncomfortable in body or mind (uneasy)