The most common and most likely answer to this crossword clue is the 3 letter word SEC
S
E
C
More clues leading to the result SEC
Buddy explains!
The straight part
We know that "Instant/16" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case instant/16 = sec.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 SEC mean?
SEC noun- Second, 1/60 of a minute.
- One-sixtieth of a minute; the SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest.
- A unit of angle equal to one-sixtieth of a minute of arc or one part in 3600 of a degree.
- A short, indeterminate amount of time.