flat–foot·ed 
/ˈflætˌfʊtəd/ adjective
/ˈflætˌfʊtəd/ adjective 1 a : having flat feet
▪ a flat-footed man
b : walking or moving in a slow and awkward way
▪ a clumsy, flat-footed new recruit 2 chiefly US, informal : not ready or prepared — usually used in the phrase catch flat-footed ▪ The surprise announcement of his candidacy caught his opponents flat-footed. [=his opponents were not prepared for his announcement]
▪ a flat-footed man
b : walking or moving in a slow and awkward way
▪ a clumsy, flat-footed new recruit
