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Word of the Day

Learn a new word every day! The Dictionary.com team of language experts carefully selects each Word of the Day to add some panache to your vocabulary.


de facto

[dih fak-toh]

adjective

actually existing

Explanation

De facto describes something that actually exists, whether or not it has been officially recognized. The phrase comes directly from Latin and means "from the fact." A de facto manager, for example, may hold real power without having an official title.

Example

Although he was never formally elected, the general became the de facto leader of the country.

adiaphorous

[ad-ee-af-er-uhs]

adjective

doing neither good nor harm, as a medicine

Explanation

Adiaphorous describes something that has no significant effect, either for better or worse. The word comes from a Greek term meaning "indifferent," and it's especially useful for describing a medicine that produces no meaningful change in a patient's condition. Keep adiaphorous handy for when a result is neither helpful nor harmful.

Example

She realized the expensive vitamin water was adiaphorous, producing no health benefits or negative reactions.

constitutional

[kon-sti-too-shuh-nl]

noun

a walk taken for one's health

Explanation

A constitutional isn't just any old walk; it's one that's meant to improve your health. The word is related to the idea of having a good constitution, meaning a strong or healthy physical condition. So go ahead and take a constitutional — it can be good for both body and soul!

Example

My grandpa enjoys a morning constitutional around the park to stay fit.

macaronic

[mak-uh-ron-ik]

adjective

composed of a mixture of languages

Explanation

Something macaronic combines two or more languages in the same piece of writing or speech. As you may have guessed, the word is connected to the Italian food macaroni, which was originally associated with peasants and their everyday language. Macaronic writing can have a humorous effect by blending languages in unexpected ways.

Example

The singer performed a macaronic song, switching smoothly between French and English lyrics.

kairos

[kahy-rahs]

noun

a time that is particularly crucial or suited for carrying out an action

Explanation

Kairos describes a moment when circumstances are especially favorable for taking action. Unlike "chronos," which describes measured time, kairos emphasizes the right or opportune moment. Sometimes, success comes down to simply striking while the iron is hot.

Example

She waited for the right kairos to adopt a dog.