All brighten antonyms

verb brighten

• darken — If something darkens or if a person or thing darkens it, it becomes darker.
• complicate — To complicate something means to make it more difficult to understand or deal with.
• dull — not sharp; blunt: a dull knife.
• deepen — If a situation or emotion deepens or if something deepens it, it becomes stronger and more intense.
• fade — to lose brightness or vividness of color.
• depress — If someone or something depresses you, they make you feel sad and disappointed.
• upset — to overturn: to upset a pitcher of milk.
• worsen — Make or become worse.
• bring down — When people or events bring down a government or ruler, they cause the government or ruler to lose power.
• dishearten — to depress the hope, courage, or spirits of; discourage.
• dissuade — to deter by advice or persuasion; persuade not to do something (often followed by from): She dissuaded him from leaving home.
• discourage — to deprive of courage, hope, or confidence; dishearten; dispirit.