downcast

down- +‎ cast

downcast (comparative more downcast, superlative most downcast)

1. (of eyes) Looking downwards.
   • Dryden

     'Tis love, said she; and then my downcast eyes, / And guilty dumbness, witnessed my surprise.

2. (of a person) Feeling despondent.

downcast (plural downcasts)

1. (computing) A cast from supertype to subtype.
2. (obsolete) A melancholy look.
   • Beaumont and Fletcher

     That downcast of thine eye.

3. (mining) A ventilating shaft down which the air passes in circulating through a mine.

downcast (third-person singular simple present downcasts, present participle downcasting, simple past and past participle downcast or downcasted)

1. (transitive, obsolete) To cast or throw down; to turn downward.
2. (transitive, Scotland) To taunt; to reproach; to upbraid.
3. (transitive, computing) To cast from supertype to subtype.

   Antonym: upcast

• cast down