Is the C in Antarctica silent?

The “C” in Arctic and Antarctic is not silent and should be enounced, so you are not wrong.

Do you pronounce the first C in Antarctica?

The words Arctic, Antarctic and Antarctica were originally pronounced without the first /k/, but the spelling pronunciation has become very common. The first “c” was originally added to the spelling for etymological reasons and was then misunderstood as not being silent.

How do you speak in the Antarctic?

What do people say in Antarctica?

The name Antarctica is the romanised version of the Greek compound word ἀνταρκτική (antarktiké), feminine of ἀνταρκτικός (antarktikós), meaning “opposite to the Arctic”, “opposite to the north”.