lackadaisy

noun
lack·​a·​dai·​sy | \ˈlakəˌdāzē\
plural -es

Definition of lackadaisy 

(Entry 1 of 2)

lackadaisy

interjection
\"\

Definition of lackadaisy (Entry 2 of 2)

archaic

used to express sorrow or regret

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for lackadaisy

Noun

by folk etymology from lackaday

Keep scrolling for more

Learn More about lackadaisy

Share lackadaisy

Dictionary Entries near lackadaisy

lacis

lack

lackadaisical

lackadaisy

lackaday

lacker

lackey

Statistics for lackadaisy

Look-up Popularity

Comments on lackadaisy

What made you want to look up lackadaisy? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

obstinately defiant of authority

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!