westward expansion is not in our dictionary (yet). Here's what it could mean:

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noun

The 19th-century movement of settlers, agriculture, and industry that led to the acquisition and settlement of territory across the United States, primarily in the lands west of the Mississippi River.

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While Young America emphasized internal improvements and westward expansion, the spirit carried over into the “American system” of manufacturing.

From The Wall Street Journal • May 10, 2026

Braiding memoir, pop science and true crime, Fraser delivers a remarkable, persuasive narrative about how good-old-fashioned American values — manufacturing might, westward expansion, cheap leaded gas — turned into a literally toxic combination.

From Los Angeles Times • Dec. 8, 2025

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Possible Synonyms

the settling of the West
American progress
American frontier settlement
the push west
continental expansion

westward expansion is not in our dictionary (yet). Here's what it could mean:

Confidence: high

noun

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