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

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

Along the way, passengers will be able to go paddleboarding, kayaking, and kite surfing on Lake Michigan, visit historic lighthouses, and more. —Katie Nadworny, Travel + Leisure, 30 Sep. 2025

Beyond rides, live music and parades featuring lighthouses, someone might walk away this year with a sizeable boost to their bank account — maybe as high as a million dollars. —John Tufts, IndyStar, 29 Sep. 2025

In addition to the view, the museum includes belongings, photos and memories of the lighthouse keepers and their families. —Miami Herald Archives, Miami Herald, 27 Sep. 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