Dictionary.com
Thesaurus.com

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.


matrilineal

[ma-truh-lin-ee-uhl]

adjective

relating to descent through the female line

Explanation

When something is matrilineal, it traces descent through the female line. The term combines Latin roots meaning "mother" and "line," highlighting systems where ancestry and inheritance flow through mothers rather than fathers.

Example

The community uses a matrilineal system where property and titles are inherited from the mother.

idioglossia

[id-ee-uh-glos-ee-uh]

noun

a language invented by an individual or small group

Explanation

Idioglossia is a private language created and used by a person or a small group. Often formed between children, it turns everyday communication into something secretive and inventive. Think of it as part code, part creativity.

Example

The preschoolers developed a complex idioglossia that their parents could not understand.

halcyon

[hal-see-uhn]

adjective

happy; blissful; carefree

Explanation

Halcyon describes a time that's calm, happy, and worry-free. It often calls to mind the golden days of the past — those seasons we remember as simpler and sweeter. If a chapter of your life glows with fond memories, they might be your halcyon days.

Example

The retired couple enjoyed the halcyon days of summer lounging by the quiet, sun-drenched lake.

tiffin

[tif-in]

verb

to eat a light midday meal; lunch

Explanation

To tiffin is to have a light midday meal — essentially, to eat a small lunch. The word comes from the British colonial period in India, likely from the English slang "tiffing," meaning "to take a little drink." Tiffin suggests something casual, quick, and pleasantly nourishing.

Example

After finishing the morning meeting, the colleagues decided to tiffin at the cafe next door.

lickety-split

[lik-i-tee-split]

adverb

at great speed; rapidly

Explanation

Need it fast? Do it lickety-split. This informal phrase means "at great speed," evoking the idea of a split second. It's the kind of phrase you use when there's no time to dawdle. So hurry up and read this message lickety-split!

Example

The kids cleaned their messy playroom lickety-split when their mother said there was no ice cream allowed until they finished.