How Well Do Face Masks Protect Against Covid

Insistence on well rather than good has resulted in a split in connotation: well is standard, neutral, and colorless, while good is emotionally charged and emphatic.

WELL definition: 1. in a good way, to a high or satisfactory standard: 2. very much, to a great degree, or…. Learn more.

WELL definition: a hole drilled or bored into the earth to obtain water, petroleum, natural gas, brine, or sulfur. See examples of well used in a sentence.

1. In a satisfactory condition; right or proper: All is well. 2. a. Not ailing, infirm, or diseased; healthy. See Synonyms at healthy. b. Cured or healed, as a wound.

a container, receptacle, or reservoir for a liquid: the well of ink in a fountain pen. Building any sunken or deep, enclosed space, as a shaft for air or light, stairs, or an elevator, extending …

You say well to express your surprise or anger at something that someone has just said or done.