Definition of a thorn in someone's side or flesh in English:

a thorn in someone's side (or flesh)

A source of continual annoyance or trouble: the pastor has long been a thorn in the side of the regime
More example sentences
  • We will continue to be a thorn in his side, keeping a close eye on him and interfering with his criminal activities.
  • A committed republican, he continued to be a thorn in Cromwell 's side, being elected to the protector's parliaments of 1654 and 1656, but prevented from taking his seat.
  • His uncompromising attitude continually made him a thorn in the Establishment 's side.
See parent entry: thorn

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Word of the day ween
Pronunciation: wiːn
verb
be of the opinion; think or suppose