0 able to produce a big change or improvement in a situation:
Action to encourage home insulation by the EU represents a potentially transformational event for government-funded installation agencies.
a transformational acquisition/deal/merger
a transformational strategy/reform/step The company's chief executive described the transaction as a "transformational step" in implementing new corporate strategy.
transformative ideas/experiences
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.