The most common and most likely answer to this crossword clue is the 5 letter word NAIRA
I've seen this crossword clue in The Daily Telegraph
N
A
I
R
A
More clues leading to the result NAIRA
- Currency held by authoritarians on the rise
- Advance under half of ascendant Nigerian’s money
- Nigerian coins new word for song on journey north
- Writing up article about show in African capital
- African ready to put back contents of trench
- Circling in Iran, a unit of currency
- Nigerian ready to broadcast in North America
- Capital between China and Iran
- New look given to a foreign currency
- Song in North America making money for Nigerians
Buddy explains!

The straight part
We know that "Nigerian ready" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nigerian ready = naira.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 NAIRA mean?
NAIRA noun- The official currency of Nigeria, which replaced the pound in 1973; the principal denomination of the currency, equal to 100 kobo.