thorny

adjective

ˈthȯr-nē 

thornier; thorniest

1

: full of thorns

2

: full of difficulties or controversial points : ticklish

a thorny problem

thorniness noun

Synonyms of thorny

• jagged
• prickly
• scratchy
• brambly

Examples of thorny in a Sentence

stay out of the thorny brambles unless you want a ton of scratches

Recent Examples on the Web

Additionally, prune any dead branches, thorny suckers, and any branches that may be touching the ground. —Sj McShane, Martha Stewart, 2 Jan. 2026

These thorny ethical conversations are increasingly happening, and not just around the topic of birth. —O. Rose Broderick, STAT, 2 Jan. 2026

Since becoming the global managing partner of McKinsey & Company in 2021, Bob Sternfels has had to navigate a series of thorny challenges. —Adi Ignatius, Harvard Business Review, 1 Jan. 2026

Thus begins a thorny relationship in which Jules plots vengeance, though their dynamic soon takes a fascinating turn. —Ilana Gordon, Entertainment Weekly, 29 Dec. 2025

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Rhymes for thorny

• corny
• horny

Kids Definition

thorny

adjective

ˈthȯr-nē 

thornier; thorniest

1

: full of or covered with thorns

thorny rose bushes

2

: full of difficulties

a thorny problem

thorniness noun