upper hand noun
Meaning:
the upper hand
: the position of having power or being in control in a particular situation
▪ He always has to have the upper hand. — sometimes used figuratively ▪ The infection was gaining the upper hand [=was becoming worse] and the patient's condition was deteriorating.
▪ He always has to have the upper hand. — sometimes used figuratively ▪ The infection was gaining the upper hand [=was becoming worse] and the patient's condition was deteriorating.



