New Mexico

American  

noun

1. a state in the southwestern United States. 121,666 sq. mi. (315,115 sq. km). Santa Fe. NM (for use with zip code), N. Mex., N.M.

---

New Mexico British  

noun

1. Abbreviation: N. Mex..   NM.  a state of the southwestern US: high semiarid plateaus and mountains, crossed by the Rio Grande and the Pecos River; large Spanish-American and Indian populations; contains over two-thirds of US uranium reserves. Capital: Santa Fé. Pop: 1 874 614 (2003 est). Area: 314 451 sq km (121 412 sq miles)

---

New Mexico Cultural  

1. State in the southwestern United States bordered by Colorado to the north, Oklahoma and Texas to the east, Texas and Mexico to the south, and Arizona to the west. Its capital is Santa Fe, and its largest city is Albuquerque.

---

Discover More

An important center of Native American culture and home to Navajo reservations.

Center of the Los Alamos Research Center, where the atomic bomb (see also atomic bomb) was developed.

Other Word Forms

Derived Forms

• New Mexican
  adjective

Example Sentences

The case was later reclassified to be linked with Lea County, New Mexico, because the dog was brought over by a New Mexico resident to the clinic in Texas, officials said.

From Barron's • Jun. 8, 2026

And so I like shooting in New Mexico and supporting the local community, especially local Natives.

From Los Angeles Times • Jun. 2, 2026

Human remains found in a New Mexico forest last month were identified as those of a lab worker who disappeared nearly a year ago.

From BBC • Jun. 2, 2026

Ghost Ranch in New Mexico remains one of the most important windows into this distant past.

From Science Daily • May 29, 2026

During World War II, he was among the elite scientists recruited to a secret lab called Los Alamos, in the mountains of New Mexico.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin