 New English words added to the dictionary in 2017 from espressoenglish.net. The English language is always expanding. Every year, new English words are added to the dictionary. These are usually words that have become frequently and widely used, so their meanings are well established among English speakers. You might have seen some of these words around the internet, and now they're officially part of the Merriam-Webster dictionary. Photo bomb is a verb, meaning to move into the frame of a photograph so that you'll appear in the picture as the photo is being taken. This can be done on purpose as a joke or prank, or unintentionally. When someone photo bombs your picture, it can ruin the picture or make it funny. Ghost has been added to the dictionary as a verb. If you ghost someone, it means you stop all contact with that person. You don't reply to their calls, texts, or messages. This is often done in casual romantic relationships when one person doesn't want to continue the relationship, but doesn't have the courage to say so directly, so they ghost the other person by simply disappearing and failing to respond. Trainwreck is a noun. The word wreck is another way to say accident, such as a car accident, and the term trainwreck describes any situation that is a complete disaster or mess with a lot of damage or trouble. Ride shotgun is a verb. It's simply an informal way to talk about riding in the front passenger seat of a car, the front seat next to the driver. Face palm is a verb, meaning to cover your face with your hand as an expression of embarrassment. It could be that you are embarrassed yourself, or it could be because you are embarrassed at someone else's ridiculous or stupid behavior. Food insecure is an adjective. A person or family who is food insecure can't access or can't afford, meaning can't pay for food regularly. Their situation is unstable because they can't always get food. Side eye is a noun. Giving someone side eye means looking at the person out of the sides of your eyes, not looking directly, with an expression of suspicion or disapproval. Truther is a noun. A truther is someone who believes that the truth or the real facts about an important event or topic are being hidden from the public by a conspiracy. That's a secret plan. People who are truthers are often considered crazy or unintelligent. Microaggression is a noun. Microaggressions are small actions or comments that indirectly show racism or prejudice towards members of a minority group. For example, a security guard following a black person around a store as if concerned that he or she might steal something. Troll can be a noun or a verb, meaning to deliberately post offensive or inflammatory comments, comments attacking people or saying things that will make people angry. On the Internet, just to upset people or make them react or argue, the word troll can be used as a verb to describe this action and as a noun referring to the person who does such an action. If you want to learn and practice hundreds of useful English vocabulary words, check out my vocabulary builder courses. There are two levels that will teach you a total of more than a thousand words. Each lesson includes a quiz and short answer exercises, so you can put the words from the lesson into practice. This helps you remember them better.