What is the meaning of Wielki?

great, large (big in size)

great, large (big in quantity, amount, etc.)

great, large (big, having a big impact (of emotions etc.))

great (of large importance)

great (remarkable, standing out)

long (lasting a long time)

great, large (big in size)

capital

great, large (having a high intensity, scale, etc.)

great (remarkable, standing out)

great (of large importance)

high, grand (exalted in rank, station)

great, large (very big)

great (large in degree)

great (very important)

great (talented)

Source: wiktionary.org