serious
A2Frequent NGSL-1UK /ˈsɪəriəs/US /ˈsɪriəs/
Meaning
adjective
bad or dangerous
“a serious illness/offence/crime”
Real video examples
From real subtitles in LingoTube lessons
“serious launch vehicle efforts underway”
📺 Elon Musk's 2003 Stanford University Entrepreneurial Thought Leaders LectureLearn this word in the video →
“serious competition you all facing I”
📺 Joe Tsai Co-founder & Chair of AlibabaLearn this word in the video →
Remember serious through real videos
LingoTube turns TED / YouTube videos into sentence-by-sentence bilingual lessons: synced subtitles, tap any word for meaning and pronunciation, save to your word bank with spaced repetition.
serious launch vehicle efforts underway
serious·
Learn "serious" in a video →
Free to try, no sign-up needed
