The antonyms for the word "most pitch-dark" are words that describe illumination, brightness or daylight. These antonyms include words such as light, bright, illuminating, glowing, radiant, and luminous. These words are often used to portray positive situations such as hope, optimism and joy. The word "light" for instance refers to the opposite of darkness or pitch-blackness. It denotes an absence of shadows and a feeling of warmth and comfort. Thus, when used as antonyms for the word "most pitch-dark," these words have the power to inspire feelings of happiness, positivity and optimism, making them precious to many people.