Being "thirsty for knowledge" is a great quality to have, but sometimes it's fun to mix it up and find other ways to describe that insatiable desire to learn and expand your mind. Some synonyms for "thirsty for knowledge" might include "hungry for information," "eager to learn," "curious," "knowledge-hungry," and "brain-hungry." Other similar phrases might include "obsessed with learning," "insatiably curious," "a knowledge-seeker," "voracious reader," and "always seeking new insights." Whatever words you use, the important thing is to embrace that desire for knowledge and continue to learn and grow throughout your life.