1. most dejected, sad, or morose in mood or appearance
Usage: superlative form of ‘glum’

Examples

• She looked the glummest of all the students after hearing the test results.
• Even on the glummest days, he tried to find something positive.
• The team’s glummest player finally smiled when they scored.
• Of all her friends, Sarah seemed the glummest about moving away.
• The glummest expression crossed his face when he read the letter.
• Despite being the glummest person in the room, she still helped others.