Definition of tower of strength
- She's been a/my tower of strength during my illness.
: a building or structure typically higher than its diameter and high relative to its surroundings that may stand apart (such as a campanile) or be attached (such as a church belfry) to a larger structure and that may be fully walled in or of skeleton framework (such as an observation or transmission tower)
: a towering citadel : fortress
: one that provides support or protection : bulwark
: to reach or rise to a great height
: to exhibit superior qualities : surpass
: the quality or state of being strong : capacity for exertion or endurance
: power to resist force : solidity, toughness
: power of resisting attack : impregnability
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