dottier; dottiest
1
: not mentally sound
also : amiably eccentric
There's something delightful about meeting a 95-year-old who is as sharp as a tack. … That's way better than being known as the dotty old auntie or uncle … Carole Levy
2
: being obsessed or infatuated
They met at school as teenagers and have been dotty about each other ever since. Lynda Lee-Potter
3
: amusingly absurd : ridiculous
dotty ideas

dotty

2 of 2

adjective (2)

: composed of or marked by dots

Examples of dotty in a Sentence

Adjective (1) dotty relatives that we have to endure only on Thanksgiving
Recent Examples on the Web
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Adjective
Now, one of the largest celebrations of Kusama’s dotty world will debut at Melbourne’s National Gallery of Victoria (NGV). Mae Hamilton, Travel + Leisure, 9 Dec. 2024

Word History

Etymology

Adjective (1)

alteration of Scots dottle fool, from Middle English dotel, from doten

First Known Use

Adjective (1)

1860, in the meaning defined at sense 1

Adjective (2)

1795, in the meaning defined above

Time Traveler
The first known use of dotty was in 1795

Browse Nearby Words

Cite this Entry

“Dotty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dotty. Accessed 26 Mar. 2025.

Kids Definition

dotty

adjective
dot·​ty
ˈdät-ē
dottier; dottiest
1
: mentally unbalanced
2
: amiably eccentric
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