a landmark achievement

Syllable breakdown

Dictionary meaning

an idiom describing an accomplishment of exceptional significance that stands out as a visible reference point in the landscape of a field's development, project's history, or individual's career, drawn from the navigational concept of a landmark — a notable natural or built feature visible from a distance that enables travellers to establish their position; a landmark achievement is not merely a good result but one that changes the frame of reference for what is possible, that others orient themselves by, and that will be cited as a point of reference in future accounts of progress in the relevant domain; the four hundredth file in the WordRighter pronunciation database represents a landmark of sustained lexicographic effort covering indigenous, endangered, and under-represented languages alongside high-frequency vocabulary, establishing a resource of unusual breadth and depth