в значительной степени

drastically (Post Scriptum); an adequate degree (Gaist); considerably (bookworm); largely (The huge gap between rich and poor "largely negates the economic and social achievements of recent years," the HSE report said. Alexander Demidov); a great extent; in no small degree (82,200 Alexander Demidov); to a great degree (bookworm); in a great large measure; to a considerable degree; in large measure (Александр Рыжов); to a significant degree (P.B. Maggs ABelonogov); in a substantial way (Азери); by a long shot; to a significant extent (Stas-Soleil); a fair extent (doc090); pretty much; in no small part (to a great degree, largely or mostly: The team's success is due in no small part to the hard work of its players. MWALD Alexander Demidov); in no small measure (454,000 Alexander Demidov); up to the hub (вовлечённый в какую-либо деятельность); half; far (наречие ssn); widely (ssn); extensively (Artjaazz); to a large extent (joyand)

well (igisheva)

pretty; up to the hub (вовлечённый в какую-либо деятельность; syn: as far as possible Taras); pretty much (joyand)

quite a bit (amatsyuk)

rather (ssn)

в значительной степени: 65 phrases in 18 subjects