closed book
English Dictionary
->
Letter C
-> closed book
Search Dictionary:
closed book Definition
(n)
something
that
baffles
understanding
and
cannot
be
explained
; "
how
it
got
out
is
a
mystery
"; "
it
remains
one
of
nature
''
s
secrets
"
closed book Synonyms
closed book
enigma
mystery
secret
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