"Never greater" is a phrase used to describe something that has reached its ultimate height or has never been better before. There are many synonyms to express this meaning, such as unparalleled, incomparable, unsurpassable, unbeatable, supreme, utmost, and highest. These adjectives can be used to convey a sense of excellence or superiority in a particular context. Additionally, the phrase "never been better" can be replaced by alternatives like unprecedented, unmatched, unmatched, unsurpassed, and unequaled. All these synonyms can be used to emphasize something that is the best, most successful, or most significant of its kind.