From Longman Dictionary of Contemporary Englishinnerin‧ner /ˈɪnə $ -ər/ ●●○ W2 adjective [only before noun] 1 IN/INSIDEon the inside or close to the centre of something OPP outer an inner room inner London the inner ear2 RRIN/INSIDEinner thoughts or feelings are ones that you feel strongly but do not always show to other people Yoga gives me a sense of inner calm. She’ll need great inner strength to get over the tragedy. She never shared her inner thoughts with anyone.3 relating to things which happen or exist but are not easy to see the inner workings of the film industry the fascinating inner life of a political party4 → inner circle5 → somebody’s inner voice
Examples from the Corpus
inner• My wallet is in the inner breast pocket of my jacket.• Terri has a inner confidence that her sister lacks.• If he has any inner doubts, he doesn't show them.• Carefully remove the inner skin of the chestnuts.• I've had to rely on my inner strength to weather the rumors.Origin inner Old English innera, from inne “inside” 