To be adequate or helpful for a significant amount of time.(verb)
To achieve considerable success.(verb)
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Use "go a long way" in a sentence
"Jaffer, Chairman, Nizam Institute of Engineering and Technology emphasised that participation in NCC develops character, leadership qualities, and comradeship among students and go a long way in shaping their personality."
"The thought has been that if you could prevent TNF from signaling the release of joint-damaging substances in diseases like rheumatoid arthritis, you could go a long way in treating the disease."
"Of course, if Mary of Bethany was a prostitute and was also the same person as Mary Magdalene then this would go a long way towards explaining the Gospel writers' extreme caution—and deliberate obfuscation—about the latter."