antagonistic
mean kind aggressive know-it-all enthusiastic caring good listener bad listener fun/funny sensiable crazy/mad
Truthfulness truth-is the very foundation of science.People pursue science basically because of their desire to know the truth about things in this world.
The question needs rephrasing
arrogant, brash, bumptious, certain, cocksure, conceited, confident, egotistical, hotdogger, hotshot, hubristic, know-it-all, lordly, nervy, overconfident, overweening, positive, presumptuous,...