close to someone's heart adjective 1adverb 1forms 2 adjective1 •Deeply cared about; beloved or being the object of great concern.As we started driving away I was saddened by the thought of leaving this beloved place that was so very dear and close to my heart. — 2013 adverb1 •In a deeply concerned manner or with great love.I held these special moments close to my heart. — 2012 formscloser to someone's heart · closest to someone's heart