The most common and most likely answer to this crossword clue is the 14 letter word MATTER-OF-FACT
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More clues leading to the result MATTER-OF-FACT
Buddy explains!

The straight part
We know that "Practical" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case practical = matter-of-fact.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 MATTER-OF-FACT mean?
MATTER-OF-FACT adjective- Of, or relating to facts only; literal, realistic
- Lacking emotion or colour