"Be plucky" is a phrase often used to encourage someone to be courageous and tenacious in the face of adversity. Synonyms for this phrase could include "be gutsy," "be bold," "be fearless," "be brave," "be audacious," "be intrepid," "be spirited," and "be determined." Each of these synonyms implies a certain level of fearlessness and determination that is required to overcome obstacles and achieve success. By being plucky, one is able to face challenges head-on and push themselves beyond their limits in order to attain their goals. So the next time you need a little encouragement, remember these synonyms and be plucky!