Synonyms of the upper hand in English:

the upper hand


See definition of have (or gain) the upper hand

phrase

1‘I decided to gain the upper hand by launching a surprise attack’

SYNONYMS
an advantage, a commanding position, an edge, the edge, the whip hand, a lead, a head start, ascendancy, superiority, supremacy, sway, control, predominance, power, mastery, dominance, command
rare prepotence, prepotency, paramountcy, prepollency