Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun thorn

3 senses of thorn

Sense 1
irritant, thorn -- (something that causes irritation and annoyance; "he's a thorn in my flesh")
       => annoyance, bother, botheration, pain, infliction, pain in the neck, pain in the ass -- (something or someone that causes trouble; a source of unhappiness; "washing dishes was a nuisance before we got a dish washer"; "a bit of a bother"; "he's not a friend, he's an infliction")

Sense 2
spine, thorn, prickle, pricker, sticker, spikelet -- (a small sharp-pointed tip resembling a spike on a stem or leaf)
       => aculeus -- (a stiff sharp-pointed plant process)

Sense 3
thorn -- (a Germanic character of runic origin)
       => rune, runic letter -- (any character from an ancient Germanic alphabet used in Scandinavia from the 3rd century to the Middle Ages; "each rune had its own magical significance")