hot spot

noun

variants or less commonly hotspot

ˈhät-ˌspät 

plural hot spots also hotspots

1

: a place of more than usual interest, activity, or popularity

birding hot spots

2

: a place in the upper mantle of the earth at which hot magma from the lower mantle upwells to melt through the crust usually in the interior of a tectonic plate to form a volcanic feature

also : a place in the crust overlying a hot spot

3

a

: an area of political, military, or civil unrest usually considered dangerous

global hot spots

b

: a place or area (such as a city or region of a country) where there is an elevated prevalence or increased transmission risk of a disease

The city became a COVID-19 hot spot.

4

: a place where a wireless Internet connection is available

5

: an inflamed patch of moist infected skin on a domestic animal and especially a dog

Examples of hot spot in a Sentence

The new restaurant is the latest hot spot in town.

This part of the country is a hot spot of rebel activity.

Recent Examples on the Web

In 2021, after homing in on wet processing as a major hot spot, Kering purchased the first 15 of PlanetCare’s commercial microfiber filters, capable of capturing 90 percent of shed strands, to install in several knitwear facilities in Italy. —Jasmin Malik Chua, Sourcing Journal, 7 Nov. 2025

Prisons have become a coronavirus hot spot in several states. —Shirsho Dasgupta, Miami Herald, 7 Nov. 2025

In the heart of the Amazon rainforest, the impact on rivers is shocking and experts are sounding the alarm on what this means for the region, a biodiversity hot spot and crucial climate change buffer. —Laura Paddison, CNN Money, 6 Nov. 2025

Trancoso, Bahia The opening of Uxua Casa Hotel & Spa in 2009 transformed the sleepy fishing village of Trancoso into a boho-chic hot spot. —Maya Kachroo-Levine, Travel + Leisure, 5 Nov. 2025

Word History

First Known Use

1887, in the meaning defined at sense 3a

Rhymes for hot spot

• allot
• barat
• begot
• besought
• bethought
• bloodshot
• boycott
• buckshot
• crackpot
• croat
• culottes
• dashpot

Kids Definition

hot spot

noun

1

: a place of more than normal interest, activity, or popularity

surfing hot spots

2

: a place where hot magma from the earth's interior rises through the mantle and crust to form a volcanic feature

3

a

: an area of political, military, or civil unrest usually considered dangerous

b

: a place where a disease is especially prevalent

4

: a place where a wireless Internet connection is available

Medical Definition

hot spot

noun

variants also hotspot

ˈhät-ˌspät 

1

: a patch of painful moist inflamed skin on a domestic animal and especially a dog that starts as a response to a skin irritant (as an allergen or an insect or tick bite), that is rapidly worsened by scratching, chewing, or licking the affected area, and that may become seriously infected if not promptly cleaned and medicated

2

: a place or area (as a city or region of a country) where there is an elevated prevalence or an increased transmission risk of a disease (as cholera, diabetes, or malaria)

3

: a site in genetic material (as DNA or a chromosome) having a high frequency of mutation or recombination