Cryptic crossword clue
Impairments stabilised, one doubly mobile 12

The most common and most likely answer to this crossword clue is the 12 letter word DISABILITIES

I've seen this crossword clue in The Guardian
D
I
S
A
B
I
L
I
T
I
E
S

Buddy explains!

The straight part
We know that "Impairments" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case impairments = disabilities.
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 DISABILITIES mean?

DISABILITIES noun
  1. State of being disabled; deprivation or want of ability; absence of competent physical, intellectual, or moral power, means, fitness, and the like.
  2. A mental condition causing a difficulty with an intellectual task.
  3. Want of legal qualification to do a thing; legal incapacity or incompetency.
  4. Regular payments received by a disabled person, usually from the state

Latest crossword clues with full explanations