Synonyms of marginal

marginal

adjective

ˈmärj-nəl 

as in frontier

located at or near a border

marginal locations in the open-air market are a bit cheaper

Synonyms & Similar Words

• frontier
• borderline
• outer
• external
• exterior
• outermost
• outside
• outward
• outmost

Antonyms & Near Antonyms

• interior
• internal
• inner
• inward
• inside
• central
• middle
• innermost
• mid
• inmost

Example Sentences

Recent Examples of marginal

This is in line with the marginal costs of the smaller, partially reusable Falcon 9, which SpaceX can launch for as little as $15 million per flight on a dedicated Starlink mission. — Stephen Clark, ArsTechnica, 9 July 2026

That dynamic doesn't really exist in software, where companies can scale with nearly no increase in marginal costs. — Zev Fima, CNBC, 7 July 2026

Historical evidence supports this portrayal to some extent, with exhausted monks leaving wry marginal notes. — Literary Hub, 6 July 2026

Currently, the top marginal tax rate on wage income—combining federal and state income and payroll taxes—is more than 50 percent in California, and nearly that high in many other states. — Jessica Riedl, The Atlantic, 6 July 2026