"This post includes affiliate links for which I may make a small commission at no extra cost to you should you make a purchase."

Close up iPhone showing Udemy application and laptop with notebook


Idioms are a fascinating aspect of language that can be challenging to comprehend for non-native speakers. These phrases, unique to each language, often carry a deeper meaning and cultural significance. If you’re keen on improving your understanding of idiomatic expressions, taking an online course or earning a certification is a fantastic option. In this article, we will explore the ten best online idiom courses and certifications available, allowing you to unlock the mysteries behind these captivating linguistic treasures.

1. FluentU

FluentU provides one of the most comprehensive online idiom courses, suitable for beginners as well as advanced learners. Their expertly crafted curriculum incorporates engaging videos for context, ensuring a practical understanding of idioms in everyday conversations. This course offers interactive exercises and quizzes to reinforce your learning. FluentU covers a wide range of subjects, making it an ideal choice for those seeking a versatile and immersive learning experience.

2. Udemy

Udemy, a renowned platform for online courses, offers various idiom-centric options. “English Idioms Launch” is a best-selling course taught by an experienced instructor. Designed for intermediate learners, it equips you with practical knowledge through video lectures, quizzes, and downloadable materials. Additionally, Udemy offers courses aimed at specific contexts such as business idioms or idioms for daily conversations.

3. Alison

Alison, known for its extensive range of free courses, provides an idiom course catering to different levels of proficiency. “Mastering English Idioms” introduces learners to commonly used idiomatic expressions and their origins. The course includes interactive activities and assessments to practice your comprehension skills. Alison’s certification upon completion adds credibility to your skillset, showcasing your dedication to mastering idioms.

4. Coursera

Coursera collaborates with esteemed universities, offering high-quality idiom courses. “Understanding Idioms and Slang” by the Georgia Institute of Technology provides a deep dive into idiomatic phrases and their usage in various contexts. This course delves into the cultural connotations of idioms, enhancing your understanding of societal dynamics. With Coursera’s global recognition, this certification holds significant value in your professional development.

5. edX

edX, another popular online learning platform, hosts a range of idiom-related courses. “English Idioms by University of California, Irvine” stands out for its comprehensive content and interactive approach. This course is suitable for learners at any level, covering the fundamentals of idioms to more complex expressions. With instructional videos, quizzes, and community forums, edX ensures an engaging learning experience.

6. FutureLearn

FutureLearn brings together top universities and institutions to provide accessible and effective idiom courses. “Exploring English: Idioms and Sayings” offers a structured approach to learning commonly used idiomatic phrases. Learners gain insights into the historical and cultural contexts of these expressions. FutureLearn’s emphasis on interactive activities, peer discussions, and instructor feedback fosters a supportive learning environment.

7. Memrise

Memrise offers a unique learning experience through its gamified idiom courses. “English Idioms by Memrise” employs spaced repetition and mnemonic techniques to help you memorize idiomatic phrases effortlessly. Through audio and visual learning aids, Memrise ensures an enjoyable and effective learning journey. This platform also allows you to compete with fellow learners, adding an element of fun to your learning process.

8. TalkEnglish

TalkEnglish offers specific idiom courses targeting non-native English speakers. “English Idioms and Slang” focuses on figurative language commonly used in informal contexts. This course provides audio lessons with transcripts, allowing you to follow along at your own pace. TalkEnglish’s practical approach enables you to apply idioms confidently and expands your fluency in everyday conversations.

9. Babbel

Babbel is a language learning platform that offers a dedicated course on idioms. “Mastering English Idioms” employs real-life dialogues and interactive exercises to help you grasp the nuances of idiomatic expressions. Babbel’s specialized content facilitates practical application, ensuring you can integrate idioms seamlessly into your speech. The platform’s comprehensive curriculum guarantees a well-rounded understanding of idiomatic vocabulary.

10. Memrise Pro

For those seeking a premium learning experience, Memrise Pro provides an ad-free interface and additional features. Subscribing to Memrise Pro allows you to access advanced idiom courses personalized to your proficiency level. With features like speed review and offline learning, Memrise Pro offers a convenient and effective way to master idiomatic expressions.


Enhancing your understanding of idiomatic expressions opens up new dimensions of language proficiency. Whether you’re looking to improve your conversational skills, expand your cultural knowledge, or advance professionally, these ten online idiom courses and certifications offer a diverse range of options. From interactive platforms like FluentU and Memrise to established platforms like Coursera and Udemy, each course provides valuable insights into the intriguing world of idioms. Embrace the opportunity to explore these linguistic treasures and elevate your language skills through the power of idiomatic expressions.