high speed train (noun) bullet train: fast train
Sinonime: affiliated,
agreed, allied, amalgamated, assembled, associated, banded, coadunate, cognate, collective,
concerted, concordant, confederated,
congruent, conjoint, conjugate, conjunctive, consolidated, cooperative,
corporate, federal,
homogeneous, hooked up, in accord, in cahoots, incorporated,
integrated, joined up, leagued, like-minded, lined up, linked, of one mind, of the same opinion, one, plugged in, pooled, tied in,
unanimous, undivided,
unified, unitary
Antonime: divided,
separated