Definition of not know one's own strength
- He didn't mean to knock you down; he just doesn't know his own strength.
: to perceive directly : have direct cognition of
: to have understanding of
: to recognize the nature of : discern
: belonging to oneself or itself
used to express immediate or direct kinship
: to have or hold as property : possess
: to have power or mastery over
: to acknowledge to be true, valid, or as claimed : admit
: one or ones belonging to oneself
: 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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