bull·ish \ˈbu̇lish, -lēsh\adjective 1.: of, relating to, or suggestive of a bull; especially: obstinate as a bull 2. a.: inclined to bull the market < speculators are feeling bullish > b.: characterized by a trend toward rising prices < a bullish market > c.: looking toward a rise in prices < a bullish report > < bullish commitments for the new year > d.: marked by hopefulness for the future : optimistic • bull·ish·lyadverb