Intelligent people use longer words because they’re more precise and efficient, and they help explain things in a way that’s more easily understood (if you can get a handle on the vocabulary, at least). Avoid slang terms. Using slang terms generally doesn’t improve your image, and it may make some people less likely to see you in an intelligent light.
Avoid covering your mouth when you speak. This can muffle your voice and make you seem uncertain and confused.
The best way to avoid sentence fillers is to plan out your next statement. By taking a few seconds to gather your thoughts before speaking, you’ll lessen the chance that you’ll stumble over your words.
While a neat haircut isn’t quite indicative of intellect, it shows that you want to look smart but low-maintenance (i. e. not wanting to style your hair every morning, but still caring about your appearance).
Search on the Internet. Mildly interested in psychology? Try the book Psych101–it’s a small book that’ll familiarize you with the basic theories and theorists, and you can pick it up and read little bits at your leisure. Many quick explanations of higher-level topics can be found on video-streaming websites, such as Youtube. You could begin by searching for “Quick Philosophical Topics” and perusing what shows up!
Rather than use foul language, try to explain your emotions using more efficient terminology. In addition to avoiding profanity, you’ll impress your friends with your newfound vocabulary.
