/ ˈɪnə(r); NAmE / adjective [ only before noun ]
1.
inside; towards or close to the centre of a place :
an inner courtyard
inner London
the inner ear
OPP outer
2.
( of feelings, etc. ) private and secret; not expressed or shown to other people :
She doesn't reveal much of her inner self.
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WORD ORIGIN
Old English innerra , innra , comparative of in .