progressively
adv. manner B2 Upper Intermediate US //pɹɑˈɡɹɛsɪvɫi// UK //pɹəɡɹˈɛsɪvli// pro·gres·sive·ly
adv. happening in a way that changes or develops step by step over time.
adv. occurring in stages or by degrees; moving forward in a steady, incremental manner.
The weather became progressively colder as we climbed the mountain.
The company's software became progressively more complex as they added new features every month.
The patient's condition improved progressively throughout the week, allowing the medical team to reduce the dosage of his medication by Friday morning.
Usage
Typically modifies adjectives or verbs to indicate a gradual increase or change.