

My boss was furious when I missed the deadline.
[ˈmaɪ ˈbɑs ˈwəz ˈfjʊriəs ˈwɛn aɪ ˈmɪst ðə ˈdɛdˌlaɪn.]
She'll be furious if you read her messages.
[ˈʃil ˈbi ˈfjʊriəs ˈɪf jə ˈrid ˈhɜr ˈmɛsɪdʒəz.]
I've never seen Dad so furious before.
[ˈaɪv ˈnɛvər ˈsin ˈdæd ˈsoʊ ˈfjʊriəs bɪˈfɔr.]
"furious" is in the lesson "Negative traits" (Level 27), along with 9 other useful words. LinDuo has 180 topic lessons like this one, 2,375 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.