Although videos are now used pervasively in English as a Foreign Language settings, most existing literature centers on learners as knowledge receivers or passive video viewers (Lialikhova, 2014; Fisher & Frey, 2015; Bakar et al., 2019). Rarely do studies involving videos engaged learners as knowledge generators or active, self-directed learners. To fill this research gap, the current study examined the effects of the online-video pronunciation dictionary YouGlish, which employs a lexical approach on learners' speaking skills, including pronunciation, intonation, word usage, and strategies that learners applied while using YouGlish as well as their reactions to it. The results revealed that YouGlish can help learners make progress in their oral skills, especially in terms of word usage, by providing meaningful context that helps them comprehend how oral English is used in real life. The findings revealed the process of using YouGlish generated students to become more active and self-directed learners, rather than remained as passive receivers of knowledge.