The most common and most likely answer to this crossword clue is the 7 letter word OBVIOUS
O
B
V
I
O
U
S
More clues leading to the result OBVIOUS
- Old boy and girl taking over American patent
- Not seeing line I erased – that’s clear
- Plain old boy, one stopping you on the Champs Elysees
- Plain old vehicle occupied by six officers initially
- Former pupil against debts being beyond dispute
- Old boy with debts accepting five will be clear
- Head out of job very shortly promises to settle, it’s clear
- Unaware of Light Infantry’s departure, that’s clear
- Clearly evident forgetting Long Island was omitted
- Plain old boy meeting you in Paris, one to be embraced
Buddy explains!

The straight part
We know that "Plain" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case plain = obvious.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 OBVIOUS mean?
OBVIOUS adjective- Easily discovered, seen, or understood; self-explanatory.