What are the opposite words for to a great extent?

The phrase "to a great extent" implies a high degree or level of magnitude. The antonyms to this phrase signal a different level of intensity or magnitude. One of the antonyms is "to a small extent," which denotes a low level of influence or importance. The phrase "not at all" can be used as an antonym to describe the absence of any impact or impactlessness. Another antonym can be "moderately" that implies a moderate influence or limited effect. Additionally, "minimally" can be used to suggest a bare minimum or limited impact. Using any of these antonyms can help writers to better clarify their point and avoid ambiguity.