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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.

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chameleonic

[kuh-mee-lee-ahn-ik]

adjective

tending to readily change, in appearance, beliefs, or behavior

Explanation

Chameleonic describes someone or something that readily changes to suit new circumstances. Like its reptilian namesake, the word suggests an ability to make quick changes. Someone with a chameleonic personality can adjust to any kind of social situation.

Example

Her chameleonic style allowed her to blend in seamlessly with every crowd she met.

attenuate

[uh-ten-yoo-ayt]

verb

to weaken or reduce in force, intensity, effect, quantity, or value

Explanation

Having a busy week? A funny movie can attenuate some of the stress by making your worries feel less intense. Attenuate comes from a Latin term meaning "to make thin." Whether it's literal or figurative, something attenuated is weakened or reduced.

Example

A heartfelt apology helped attenuate her anger after their disagreement.

perseverance

[pur-suh-veer-uhns]

noun

steady persistence in a course of action, a purpose, a state

Explanation

Working toward a long-term goal takes perseverance, especially when obstacles get in your way. This word, which comes from a Latin term meaning "steadfast," refers to the persistence it takes to achieve something. Whatever you're working toward, perseverance can help you keep at it.

Example

Through years of hard practice, her perseverance finally paid off with a gold medal.

catnap

[kat-nap]

verb

to steal or abduct a cat, especially in order to keep it as one's own

Explanation

As a noun, a catnap refers to catching some Z's, but the verb can have a very different meaning. To catnap is to steal a cat, especially with the intention of keeping it as your own. So while a catnap might sound like a harmless bit of shut-eye, make sure you know which meaning you're dealing with!

Example

Someone tried to catnap the neighbor's Persian kitten right off their front porch.

sessile

[ses-il]

adjective

permanently attached; not freely moving

Explanation

Something that stays fixed in one spot and doesn't move freely can be described as sessile. This adjective is used in biology for organisms, or parts of them, that are permanently attached to an object. Sessile comes from a Latin term meaning "to sit," fitting for an object or creature that's stuck in place.

Example

The sessile organisms remain anchored to ocean rocks for their entire lives.