TOUGH IT OUT is a phrase that means to persist and remain strong in the face of difficulty or adversity. ENDURE, HANGINTHERE, and WEATHERTHESTORM are all synonyms for this phrase. ENDURE means to remain in existence, to suffer, or to withstand. HANGINTHERE implies that one should stay strong and keep going despite the difficulties. WEATHERTHESTORM suggests that one should bravely face the challenges and come out on top.