The most common and most likely answer to this crossword clue is the 8 letter word SCOLDING
I've seen this crossword clue in The Daily Telegraph
S
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G
More clues leading to the result SCOLDING
- Produce notes about indifferent lecture
- Produce notes about Arctic, giving a lecture
- Lecture son about taking vintage gin to get drunk
- Reprimand, unfriendly – tell about it
- Spill the beans about frosty lecture
- Confess, having received unfriendly rebuke
- Reprimand son, unfriendly in general, at first
- Telling-off, catching chill in grass
- Tell about bitter rebuke
- Telling off Carol when concealing ailment
Buddy explains!

The straight part
We know that "Reprimand" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case reprimand = scolding.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SCOLDING mean?
SCOLDING verb- To burn with hot liquid.
- To heat almost to boiling.
- To rebuke angrily.
- A succession of critical remarks, such as those directed by a parent towards a misbehaving child.