a tower of strength

Someone who is very dependable and provides a great deal of support or encouragement, especially in times of trouble or difficulty. Mary has been an absolute tower of strength ever since my mother fell ill. My husband has been a tower of strength while I work on my PhD.

Fig. a person who can always be depended on to provide support and encouragement, especially in times of trouble. Mary was a tower of strength when Jean was in the hospital. She looked after her whole family. Jack was a tower of strength during the time that his father was unemployed.

A dependable person on whom one can lean in time of trouble, as in After Dad died Grandma was a tower of strength for the whole family. This expression, first recorded in 1549, originally was used most often to refer to God and heaven, but Shakespeare had it differently in Richard III (5:3): "Besides, the King's name is a tower of strength."

COMMON If someone is a tower of strength or a pillar of strength during a difficult period in your life, they give you a lot of help or support. My eldest daughter was a tower of strength for me when I was sick. In her terrible sadness she has found Charles to be a pillar of strength.

A reliable, supportive person, dependable especially in time of trouble. In the Bible this image is often reserved for God or, later, for religious faith. In the nineteenth century Tennyson used it for the duke of Wellington: “O fall’n at length that tower of strength” (“Ode on the Death of the Duke of Wellington,” 1852). It remains current.