Reverse Dictionary: FROWN

ADJECTIVES
► DARK of the countenance: clouded with anger or dislike, frowning → 1593
► SCOOLY of the brow: scowling, frowning → 1923 Sc. 
► THUNDERY threatening an explosion of anger or passion; gloomy, frowning → 1824

NOUNS
► BLONK a scowl, frown → 19C Eng. dial.
► BLUNK a scowl, a frown → 1898 Eng. dial. (Bk.)
► BROW-BENDING a frowning → 1542 obs.
► GLOUT a frown or scowl
► GLUNCH a frown, a pout, a sullen look → 1786 Sc.
► SCOUK ► SKOOK a furtive look, a glance from under the brows or from the tail of the eye; a squint; a frown; a scowl; a sour, gloomy aspect; an evil look → c1715 Sc.

NOUNS – PERSON
► GLOOMER one who frowns → 1862 Sc.
► GLOUMER one who has a downcast frowning look → 1825 Sc.

VERBS
► BEND THE BROWS to winkle the brow; to frown, to scowl → 1387
► CAPERATE to frown → 1623 obs.
► CORRUGE to frown, to wrinkle → 1623 obs.
► FAID to frown → 1825 Sc.
► GLAVER to frown, to scowl, to look with angry disfavour on → 1881 Eng. dial. (Bk.)
► GLUNCH to look surly or sulky; to frown; to whine, to complain fretfully, to grumble → 1685 Sc.
► SCOUK to contract the brows; to draw the brows together in a frown → 1804 Sc.
 SNOWRE to frown or scowl → 1450 obs.