English Reference
noun · verb

moonlight

n. · v.
US /ˈmunˌɫaɪt/ UK /mˈuːnlaɪt/ moon·light UK spelling moonlights

  1. 01 A2 Elementary

    n.the light that you see at night which comes from the moon.

    n.the light reflected from the moon's surface, appearing to emanate from it during the night.

    Simple

    We took a long walk along the beach by the glow of the moonlight.

    In context

    The silver moonlight cast long, distorted shadows across the valley, making the familiar landscape appear eerie and unrecognizable.

    moonbeamsmoonshine
  2. 02 B2 Upper Intermediate Informal

    v.to have a second job that you do secretly, usually in the evening or at night.

    v.to hold a secondary job in addition to one's primary employment, often performed at night and sometimes without paying tax.

    Simple

    He is a teacher during the day, but he moonlights as a taxi driver at night.

    In context

    Several staff members were found to be moonlighting as freelance consultants for the firm's direct competitors, leading to a strict review of their contracts.

    Usage

    The verb is intransitive and often followed by 'as' to describe the second role.

    side hustle
  3. 03 C2 Proficiency British EnglishInformalDialect

    n.leaving a house or apartment secretly at night to avoid paying the rent you owe.

    n.an act of secretly vacating a property at night to evade rent or other debts; primarily used in the phrase 'do a moonlight'.

    Simple

    The neighbors did a moonlight because they couldn't afford the high rent anymore.

    In context

    The landlord arrived on Monday morning only to discover that the tenants had done a moonlight over the weekend, leaving the flat entirely empty.

    Teacher's tip

    This sense is mostly found in British English and is becoming less common in modern speech.


Etymology tree Proto-Indo-European *meh₁-? Proto-Indo-European *mḗh₁n̥s Proto-Germanic *mēnô Proto-West Germanic *mānō Old English mōna Middle English mone Proto-Indo-European *lewk-der. Proto-Germanic *leuhtaz Proto-West Germanic *leuht Old English lēoht Middle English light Middle English moonelight English moonlight The noun is derived from Middle English moonelight, monelight, mone lyght (“light of the moon; (heraldry) pattern of moons on the field of a heraldic banner”), from mon, mone (“moon”) (from Old English mōna (“moon”), ultimately from Proto-Indo-European mḗh₁n̥s (“moon; month”)) + light (“light”) (from Old English lēoht (“light”), ultimately from Proto-Indo-European lewk- (“bright; to see; to shine”)). By surface analysis, moon + light. The verb is derived from the noun. Verb sense 1.1 (“to secretly leave premises without paying the rent”) is a back-formation from moonlight flit, while verb sense 1.2 (“to make a night-time attack on a tenant farmer”) is probably a back-formation from moonlighter. cognates * Dutch maanlicht * German Mondlicht * Scots muinlicht, munelicht * West Frisian moanneljocht

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin ine-pro *lewk-
Level A2 · Elementary
Frequency Frequent
Updated