1. to speak loudly and dramatically, especially in a theatrical or pompous manner
2. to recite something in a formal or dramatic way
3. to speak out forcefully against something

Examples

• The actor began to declaim his lines with great passion.
• She would declaim poetry at every family gathering.
• The politician declaimed against corruption in government.
• He declaimed the speech so loudly that everyone could hear him.
• The student declaimed the famous soliloquy from memory.
• Critics declaim that the new policy is unfair to workers.