EXTENSION

n. 1 stretching, expansion, increase, enlargement, augmentation, development, amplification, broadening, widening, lengthening, spread, spreading The extension of the plan is scheduled for next year 2 range, extensiveness, scope, extent, magnitude, gauge, compass, sweep, reach, size, volume, dimension(s), proportions, capacity, span; breadth, width, height, length, spread, stretch The extension of the mind seems almost limitless 3 addendum, addition, annexe, wing, adjunct, ell, appendage; appendix, supplement We have built an extension to the house