Synonyms of milestone

milestone

noun

ˈmī(-ə)l-ˌstōn 

as in climax

a point in a chain of events at which an important change (as in one's fortunes) occurs

the new drug was regarded as a milestone in the treatment of heart disease

Synonyms & Similar Words

• climax
• landmark
• watershed
• corner
• milepost
• highlight
• climacteric
• turning point
• crisis
• transformation
• clincher
• turnaround
• metamorphosis
• break
• crusher
• conversion
• emergency
• topper
• capper
• turnabout
• juncture
• transfiguration
• zero hour
• clutch
• flash point
• extremity
• boiling point
• breaking point
• conjuncture
• crunch time
• exigency
• crunch
• Dunkirk
• crossroad(s)
• head

Example Sentences

Recent Examples of milestone

And Tuesday's launch marked a milestone in that cooperation, as NASA Administrator Jared Isaacman became the first with his title to attend a Soyuz launch in eight years. — Elizabeth Howell, Space.com, 17 July 2026

If praise arrives, accept it instead of deflecting, then point to the next milestone. — Tarot.com, The Orlando Sentinel, 17 July 2026

This year marked another major milestone for Creations with its expansion to Fallout 4, joining Skyrim and Starfield. — Jennifer Maas, Variety, 17 July 2026

Argentina's Lionel Messi could add another milestone to his storied career on Sunday by winning his second World Cup title. — Patricio Chile, ABC News, 17 July 2026