speed A2

/spiːd/ a rate, usually rapid, at which something happens

desperate B1

/ˈdɛs.p(ə.)ɹət/ (of persons) dangerously reckless or violent as from urgency or despair

despair B1

/dɪˈspɛɚ/ the feeling that everything is wrong and nothing will turn out well

prosper B2

/ˈpɹɑspɚ/ To be successful; to succeed; to be fortunate or prosperous; to thrive; to make gain.