The most common and most likely answer to this crossword clue is the 4 letter word SOUL
S
O
U
L
More clues leading to the result SOUL
- Sound of only form of Black American music?
- Person having very little money left
- Biblical ruler has nothing for one’s spirit
- Declaration of single spirit
- Immortal music?
- Individual only recognisable by the ears
- Show up regularly on Lake 1ac
- Person only on air
- Spirit very low? Takes a bit of understanding!
- Pixar movie’s unmatched, to the audience
Buddy explains!

The straight part
We know that "1ac" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case 1ac = soul.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 SOUL mean?
SOUL noun- The spirit or essence of a person usually thought to consist of one's thoughts and personality. Often believed to live on after the person's death.
- The spirit or essence of anything.
- Life, energy, vigor.
- Soul music.
- A person, especially as one among many.
- An individual life.
- A kind of submanifold involved in the soul theorem of Riemannian geometry.
- To endow with a soul; to furnish with a soul or mind.
- To beg on All Soul's Day.
- To afford suitable sustenance.