depression

How to sign: low in spirits
"lonely and blue in a strange city"; "depressed by the loss of his job"; "a dispirited and resigned expression on her face"; "downcast after his defeat"; "feeling discouraged and downhearted";

Similiar / Same: downhearted, down in the mouth, low-spirited, dispirited, downcast, blue, depressed, down, low

depression

How to sign: a concavity in a surface produced by pressing
"he left the impression of his fingers in the soft mud";

Similiar / Same: imprint, impression

Categories: concave shape, concavity, incurvation, incurvature

Within this category: crevice, dimple, dimple, dip, groove, incision, sag, wrinkle