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

Fortune’s Shawn Tully reports that Apple briefly reached the milestone on Tuesday, becoming only the second company in history to hit the $5 trillion mark, less than a year after first surpassing $4 trillion. — Sheryl Estrada, Fortune, 31 July 2026

Months of hot, dry summer weather have since erased that milestone. — Angela Rodriguez, Sacbee.com, 31 July 2026

The United States’ next-generation fighter aircraft program has reached a significant milestone. — Prabhat Ranjan Mishra, Interesting Engineering, 31 July 2026

The respective couples’ relationship milestones have happened in sync, as their engagements were announced last year within two months of each other. — Ashlyn Robinette, PEOPLE, 30 July 2026