Merriam-Webster offers authoritative dictionaries and thesauruses, making it the ideal choice for learning English and expanding vocabulary. We provide Word of the Day, vocabulary games, quizzes, and comprehensive language usage guides to help users deeply understand the meaning and usage of English words.
Welcome to Merriam-Webster, your go-to language expert. We offer daily vocabulary challenges, engaging language games and quizzes, and in-depth language learning resources. Whether you're a student, teacher, or language enthusiast, Merriam-Webster is your trusted companion in exploring the English language. Find definitions for over 300,000 words from the most authoritative English dictionary. Continuously updated with new words and meanings.
MAPP Magazine, the alumni publication of the University of Pennsylvania Master of Applied Positive Psychology (MAPP) program, was created to keep MAPP alumni connected and as a platform to inspire collaboration and growth in the field of positive psychology by sharing a wide range of its applications in and beyond the MAPP community.
The Anxiety and Depression Association of America (ADAA) is dedicated to the prevention, treatment, and cure of anxiety, depression, and related disorders through education, practice, and research.
The Team W applies psychology and behavioral science to understand, predict, and direct how people behave. We offer online and in person training, consulting, and mentoring.