Decline

Sure, here is the definition of the word “decline”:

decline – to go down in value, number, quantity, or intensity.

Examples:

• The stock market declined sharply yesterday.
• The population of the town declined in recent years.
• The economy is declining.
• The number of students enrolled in the school is declining.

Synonyms:

• Fall
• Drop
• Depress
• Decrease
• Lope

Antonyms:

• Rise
• Increase
• Grow
• Flourish
• Rise