thistle

/ˈθɪsəl/
noun
  1. A wild plant with sharp prickles on its leaves and stems, and usually a purple or pink flower head.
    • Be careful walking through the field — the thistles can scratch your legs.
    • A purple thistle bloomed brightly among the dry grass.
    • The thistle is the national symbol of Scotland.
  2. Something that is prickly or troublesome; a source of irritation (figurative use).
    • The broken zipper was a small thistle that ruined the whole trip.
    • Her sharp comments were like thistles in an otherwise pleasant conversation.
    • Dealing with all the paperwork was a thistle in his side.
Synonyms
What does "thistle" mean? | whatsthatwordmean | whatsthatwordmean