| side by side(expression, together, closely, jointly, collectively) |
| simultaneously(together, jointly, collectively, accordingly, harmoniously) |
| synchronically(together, combined, closely, jointly, collectively) |
| unanimously(combined, closely, jointly, collectively, mutually) |
| unitedly(together, closely, jointly, collectively, accordingly) |
| accordingly(together, jointly, collectively, harmoniously) |
| agreeably(together, jointly, collectively, accordingly, harmoniously) |
| agreeing(joint, harmonious, united, shared, reciprocal) |
| alike(together, jointly, collectively, accordingly, harmoniously) |
| all together(expression, together, combined, closely, jointly) |
| at one fell swoop(expression, idiom, combined, closely, jointly) |
| back to back(expression, idiom) |
| chummy |
| closely(combined, jointly, collectively, mutually) |
| coacting(joint, harmonious, united, shared, reciprocal) |
| coactive(joint, harmonious, united, shared, reciprocal) |
| coadjuvant(joint, harmonious, united, shared, reciprocal) |
| coefficient(joint, harmonious, united, shared, reciprocal) |
| collaborating(joint, harmonious, united, shared, reciprocal) |
| collaborative(joint, harmonious, united, shared, reciprocal) |