21 down
Writer
is
almost
drained
by
conclusion
of
Jonathan
Swift
(6)
Writer is almost drained by conclusion of Jonathan Swift (6)
hints
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checks
0
hints
The definition is at the end of the clue.
How the clue works
Swift means nimble/quick. "Conclusion of Jonathan" gives N, "Writer" gives NIB, "is almost" gives I (most of "is"), and "drained" indicates the outer letters of "nimble" are formed by placing these elements together — N + I + M + B + L + E.