noun
emphasis; stress; tone of voice
Refers to the force, stress, or intonation placed on a word or phrase in speech, often to convey nuance or importance.
彼は「絶対に」という言葉に語勢を置いた。
He put emphasis on the word 'absolutely'.
語勢を強めて話すと、より説得力が増す。
Speaking with stronger stress makes you more persuasive.