Cryptic crossword clue
It’s plain stupid for a mountaineer 8

The most common and most likely answer to this crossword clue is the 8 letter word ALPINIST

I've seen this crossword clue in The Guardian
A
L
P
I
N
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T

Buddy explains!

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 ALPINIST mean?

ALPINIST noun
  1. A skier who specializes in alpine skiing (the disciplines of super-G, giant slalom, slalom, downhill)
ALPINIST noun
  1. (sometimes capitalized) A mountain climber, especially in the European Alps or in ranges of similar ruggedness and elevation.
  2. (sometimes capitalized) A downhill skier who practises the sport on high mountains.
ALPINIST adjective
  1. Of or pertaining to alpinism.
  2. Pertaining to alpine skiing or downhill skiing.

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