To a great or exceeding degree or extent. Used as a modifier for other adjectives. I was ever so grateful for your help the other day. Your brother has been ever so kind to me. Thank you, Thomas—you've been ever so helpful to me as I recover from my surgery.

"Ever so" is a British English phrase used as an intensifier to mean "to a great degree," "very," or "extremely." It is often used to emphasize the adjective or adverb that it precedes. For example, "She was ever so kind to help me with my homework," means "She was extremely kind..."