How do you pronounce the word opposition?

What is the meaning of opposition?

noun. the action of opposing, resisting, or combating. antagonism or hostility. a person or group of people opposing, criticizing, or protesting something, someone, or another group. (sometimes initial capital letter) the major political party opposed to the party in power and seeking to replace it.

Is the T silent in exactly?

In practice, yes it is virtually silent unless one makes a special effort to pronounce it. When we have a consonant cluster here /ktl/ one sound is often not heard. The linguistice term for it is “dissimilation”.