1 (stay united) [+people] mantenerse unidos he urged his supporters to hang together the elite were motivated by the feeling that they must hang together or would surely hang (in the sense of 'be hanged on the gallows') separately the only smooth path to a free-market Soviet economy was for the republics to hang together
2 (logically) (back one another up) sostenerse; (follow internal logic) tener coherencia his arguments just don't hang together sus argumentos no se sostienen; it all hangs together todo tiene coherencia
her ideas don't always hang together very well as a plot the conclusions that she draws are plausible; they hang together it's all beginning to hang together he thought he had carefully constructed the book, and that it all hung together
it doesn't hang together with what we know no cuadra or no encaja con lo que sabemos
what he said simply did not hang together with [what] had happened