lighthouse

noun

light·​house ˈlīt-ˌhau̇s 

1

: a structure (such as a tower) with a powerful light that gives a continuous or intermittent signal to navigators

2

: beacon sense 2

Illustration of lighthouse

• lighthouse 1

Examples of lighthouse in a Sentence

Recent Examples on the Web

Branden was my lighthouse, guiding me to shore, discerning, relentless, tireless in his pursuit of truth. —Sarah Paulson, HollywoodReporter, 3 June 2025

Also on this stretch of undeveloped shoreline is the country’s oldest working lighthouse, the Sandy Hook Lighthouse, built in 1764. —Rachel Chang, AFAR Media, 2 June 2025

If so, let this epiphany be your lighthouse as things start to shift and change through the month. —Meghan Rose, Glamour, 1 June 2025

The Norwalk Seaport Association and the Greens Ledge Light Preservation Society announced a trio of five-hour cruises to visit two of Connecticut’s most iconic lighthouses: Greens Ledge and Sheffield Island, according to the groups. —Staff Report, Hartford Courant, 1 June 2025

Word History

First Known Use

1606, in the meaning defined at sense 1

Rhymes for lighthouse

• alehouse
• almshouse
• backhouse
• baghouse
• bakehouse
• bathhouse
• bauhaus
• blockhouse
• boathouse
• brewhouse
• bunkhouse
• clubhouse

Kids Definition

lighthouse

noun

light·​house -ˌhau̇s 

: a tower with a powerful light at the top that is built on or near the shore to guide sailors at night