Synonyms for Join together:

• v.

  •add (verb)
  • affix,
  • augment,
  • beef up,
  • soup up,
  • sweeten,
  • pour it on,
  • slap on,
  • parlay,
  • charge up,
  • speed up,
  • continue,
  • piggyback,
  • cue in,
  • step up,
  • flesh out,
  • build up,
  • hook up with,
  • ante,
  • include,
  • spike,
  • hitch on,
  • tack on,
  • tag,
  • jack up,
  • jazz up,
  • snowball,
  • heat up,
  • append,
  • hike up,
  • run up,
  • boost,
  • say further,
  • pad,
  • plug into,
  • figure in,
  • hook on,
  • reply,
  • supplement,
  • hike,
  • annex.
  •adjoin, increase; make further comment (verb)
  • add.
  •ally (verb)
  • federate.
  •amalgamate (verb)
  • fuse,
  • tie in,
  • admix.
  •blend (verb)
  • amalgamate.
  •collaborate (verb)
  • be in cahoots,
  • work with,
  • glue oneself to,
  • coact,
  • go partners,
  • throw in together.
  •federate (verb)
  • confederate,
  • organize,
  • align,
  • league.
  •work together (verb)
  • collaborate.

• Other synonyms:

  •add
  • charged up,
  • anteing,
  • heats up,
  • hooks up with,
  • fleshing out,
  • pour on,
  • cued in,
  • fleshed out,
  • joins together,
  • joining together,
  • hooked on,
  • piggybacking,
  • runs up,
  • sped up,
  • souped up,
  • says further,
  • slapped on,
  • heated up,
  • joined together,
  • speeded up,
  • anted,
  • piggybacks,
  • speeding up.
  •federate
  • Confederated,
  • Confederating.

Antonyms for Join together:

• v.

  • add
    lessen, detach, remove, deduct, withdraw, decrease, diminish, halt, reduce, subtract.
  • amalgamate
    disjoin, part, divide, disconnect, separate.
  • collaborate
    disagree, divorce.