"Deep sympathy" refers to a strong feeling of understanding and care towards someone who is going through a difficult time or experiencing sadness. Full definition
My husband told him his version of what happened and our friend, who is a protective father, surprisingly experienced deep sympathy for him. (christianitytoday.com)
Not often does a movie character make such a harrowing personal journey that keeps us in deep sympathy all of the way. (rogerebert.com)
Travel Insurance Review extends deepest sympathies to everyone who lost loved ones or is otherwise affected by the recent disasters in Japan. (travelinsurancereview.net)