underside

noun

un·​der·​side ˈən-dər-ˌsīd 

ˌən-dər-ˈsīd

1

: the side or surface lying underneath

2

: a side usually hidden from sight

specifically : the more unpleasant or reprehensible side

the underside of politics

Synonyms

• bottom
• underbelly
• underbody
• underpart
• undersurface

Examples of underside in a Sentence

the underside of the table

The book explores the underside of human nature.

Recent Examples on the Web

Laser pulses generate a topographic map in a manner similar to how a bat uses echolocation: Laser light is fired from an aircraft, bounces off objects on the ground, and returns to the detector located on the underside of the aircraft. —Anna Lagos, WIRED, 30 Oct. 2024

While this is great and all, Apple still hasn’t changed the location of the charging port on the Magic Mouse, leaving it on the underside of the device. —Emma Roth, The Verge, 30 Oct. 2024

Plates installed on the ground at locations like bus stops or depots connect wirelessly to charge matching plates installed on the underside of electric buses. —Chris Stokel-Walker, TIME, 30 Oct. 2024

On the underside of the Data Matrix Elite 2Big is a small hatch which opens and reveals an M.2 bay for installing an NVMe SSD. —Mark Sparrow, Forbes, 26 Oct. 2024

Word History

First Known Use

1660, in the meaning defined at sense 1

Kids Definition

underside

noun

un·​der·​side ˈən-dər-ˌsīd 

ˌən-dər-ˈsīd

: the side or part lying underneath