| conjointly(combined, closely, jointly, collectively, unitedly) |
| en masse(expression, closely, jointly, collectively, mutually) |
| hand in glove(expression, idiom, combined, closely, jointly) |
| hand in hand(expression, idiom, combined, closely, jointly) |
| immediately(adverb, currently) |
| in a body(expression, idiom, combined, closely, jointly) |
| in concert(expression, combined, closely, jointly, collectively) |
| in cooperation(expression, closely, jointly, collectively, commonly) |
| in one breath(expression, idiom, combined, closely, jointly) |
| in sync(expression, combined, closely, jointly, collectively) |
| in unison(expression, closely, jointly, collectively, unitedly) |
| isochronously |
| jointly(closely, collectively, unitedly, mutually, inseparably) |
| modernly |
| on the beat(expression, idiom, combined, closely, jointly) |
| parallelly |
| side by side(expression, idiom, combined, closely, jointly) |
| synchronically(adverb, combined, closely, jointly, collectively) |
| unanimously(combined, closely, jointly, collectively, commonly) |
| unitedly(closely, jointly, collectively, mutually, inseparably) |