New words – 10 March 2025

Thomas Barwick / DigitalVision / Getty

mattress run noun [C]
/ˈmæt.rəs ˌrʌn/
the activity of booking and paying for a hotel room you don’t need to allow you to earn points or rewards on its loyalty programme

A mattress run aims to rack up loyalty points and their subsequent rewards, or to reach a hotel chain’s elite member status more quickly. When conducting a mattress run, the hotel “guest” might not even go to or stay in the room. Pulling off the travel trend simply requires checking in and checking out of the reservation so you reap the benefits.
[travelnoire.com, 27 December 2024]

green stay noun [C]
UK /ˌgriːn ˈsteɪ/ US /ˈgriːn ˌsteɪ/
a stay in a hotel that actively tries to minimize its environmental impact, for example by reducing waste and conserving water

Just a few minutes’ walk from the station is Hotel Florence Nice, one of the first hotels to gain the European Ecolabel. It’s a great place for a green stay – don’t miss the honey that’s produced from the hotel’s 3 rooftop hives where thousands of bees produce an average of 40kg of honey a year!
[greentraveller.co.uk, 4 January 2025]

Hotel of Mum and Dad noun [S]
UK /həʊˌtel əv ˌmʌm ən ˈdæd/ US /hoʊˌtel əv ˌmɑːm ən ˈdæd/
a humorous way of referring to parents whose adult children still live in the family home, often for financial reasons

The Bank of Mum and Dad is becoming the Hotel of Mum and Dad, new research reveals, with the housing crisis leading to a rise in young adults living with their parents. The proportion of 25- to 34-year-olds residing with their parents has increased by more than a third in just under two decades, according to the Institute for Fiscal Studies in its “Hotel of Mum and Dad?” report.
[thetimes.com, 11 January 2025]

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