Synonyms of underside

underside

noun

ˈən-dər-ˌsīd 

as in bottom

the side or part facing downward from something

the underside of the cat's coat is pure white

Synonyms & Similar Words

• bottom
• undersurface
• floor
• seat
• underbelly
• underpart
• foot
• underbody
• belly
• sole
• toe
• base
• ground
• underpinning
• undercarriage

Antonyms & Near Antonyms

• top
• face
• roof
• apex
• crest
• height
• crown
• peak
• pinnacle
• summit
• meridian
• climax
• head
• tip
• culmination
• point
• zenith
• acme
• cusp
• high-water mark
• tip-top

Example Sentences

Recent Examples of underside

Allan Saint-Maximin led a counterattack and found Abada, who sent a powerful shot off the underside of the crossbar and into the net. — ABC News, 9 Sep. 2026

Look on the undersides of leaves and branch intersections for signs of pests. — The Spruce, 8 Sep. 2026

The facility had evidence of old meat residue on the underside of the cut plate of the meat bandsaw. — Sacbee.com, 4 Sep. 2026

When scouting for pests, don’t forget to look at the undersides of the leaves. — Andy Wilcox, Better Homes & Gardens, 4 Sep. 2026