inside
1. in.side \(')in-'si-d, 'in-.\ n 1: an inner side or surface 2a: an interior or internal part : the part within 2b: inward nature, thoughts, or feeling 2c: VISCERA, ENTRAILS - usu. used in pl. 3a: a position of power or confidence slang 3b: confidential information - inside aj 2. inside pp 1a: in or into the interior of 1b: on the inner side of 2: before the end of : WITHIN {~ an hour} 3. inside av 1: on the inner side 2: in or into the interior