Dictionary definition · Bull
noun
- (astrology) a person who is born while the sun is in Taurus
- uncastrated adult male of domestic cattle
- the second sign of the zodiac; the sun is in this sign from about April 20 to May 20
- a large and strong and heavyset man"he was a bull of a man"
- Obscene word for unacceptable behavior"I put up with a lot of bullshit from that jerk"
- a serious and ludicrous blunder"he made a bad bull of the assignment"
- uncomplimentary terms for a policeman
- an investor with an optimistic market outlook; an investor who expects prices to rise and so buys now for resale later
verb
- push or force"He bulled through his demands"
- try to raise the price of stocks through speculative buying
- speak insincerely or without regard for facts or truths"The politician was not well prepared for the debate and faked it"
- advance in price"stocks were bulling"
Source: Open English WordNet (CC BY 4.0).