Synonyms of fissure

fissure

noun

ˈfi-shər 

as in crevice

an irregular usually narrow break in a surface created by pressure

lava flows up through a fissure in the earth's crust

Synonyms & Similar Words

• crevice
• rift
• crack
• cleft
• split
• gap
• fracture
• cranny
• rupture
• chink
• check
• slit
• crevasse
• incision
• opening
• breach
• hairline
• craze
• gash
• cut

Example Sentences

Recent Examples of fissure

Some of these fissures are healing, but the relationship between Wilson and the organization, including key former teammates, is not helping his candidacy. — Mike Sando, New York Times, 5 June 2026

Seismic images of mid-ocean ridges typically show rough and jagged terrain, formed when lava oozes up into the cold ocean along faults or fissures and hardens suddenly into stone. — Quanta Magazine, 26 May 2026

These seemingly harmless fissures on the surface of a watermelon can indicate deeper problems that affect both taste and freshness. — Aksha Mittapalli, Better Homes & Gardens, 24 May 2026

People with irritable bowel syndrome, diverticulitis, hemorrhoids, fissures, fistulas, rectal bleeding, heart disease, or high blood pressure should also avoid the procedure, Hazan says. — Erica Sweeney, Time, 11 May 2026