Learn the meaning of the word intercepter by reading its definition and talking about it to other people or yourself. The word means "to intercept, particularly bombs or missiles." If you do not understand the meaning of this word, talk to a friend, family member or teacher about the meaning. Talk about it until you fully understand what it means.
Practice using sentences that have the word intercepter in them. For example, "An intercepter was recently launched from the shore in an attempt to stop a warhead heading in this direction." Another example is, "The intercepter missile failed to intercept the bomb." Say the sentences out loud, and make up new sentences that use the word intercepter.
Write down additional sentences that use the word intercepter. Have someone you trust read them over to make sure that they make sense. If you do not want to do that, read them out loud before saying them in a conversation. Make sure that they sound correct to you.
Use the word intercepter in your regular conversations. Start by saying something about an intercepter you heard about recently. For example, "I saw something really interesting on the news lately. Did you know that the President ordered intercepters to be sent to a region in the world?' Make sure that your information is true, but this is a good way to get a conversation started and have the chance to show your knowledge.