The phrase "a lengthy lunch" is correct and usable in written English.
It can be used to describe a lunch that takes a considerable amount of time, often implying a leisurely or extended meal.
Example: "After a lengthy lunch, we returned to the office feeling refreshed and ready to tackle the afternoon's tasks."
Alternatives: "an extended lunch" or "a long lunch".
Then, a smile on the stairway, a flirt in the foyer, a lengthy lunch, and before you know, it's officially unofficial – you're together.
After a lengthy lunch at Newmarket, Graham Rock, the Observer racing correspondent, once asked de Walden what difference it made in life to be born silver-spooned.
Arron Banks, center, the biggest donor to the Brexit campaign, has long bragged about a lengthy lunch he had with the Russian ambassador months before the vote.
The Francis and Adele Kuhn Miller Three-Foot Ledge, for example, commemorates a lengthy lunch with Francis and Adele Kuhn Miller, from whom a donation was extracted much as one might remove a decaying molar with a pair of long-handled pliers.
Over a lengthy lunch at a cafeteria at Bayview, they discussed meditation, states of consciousness, and psilocybin.
A lengthy lunch usually is available as a buffet on the first day.
And because they're at work so long, they spend a lot of time fooling around -- at the traditional lengthy lunch, for instance, which one sociologist deemed an "unnecessary interruption," or at a mid-morning coffee break.
Feeling slightly guilty for my last-minute cancellation, we pedaled to the Marais for some shopping before a lengthy private lunch in the tiny La Tête dans les Olives in Belleville.
So after 11 hours, 12 plays, numerous brief connecting pieces, and lengthy lunch and dinner breaks, does a theater-goer feel noble or entertained or just exhausted by The Great Game: Afghanistan?
As they move to gain share, local exchanges are upgrading their infrastructure, expanding their operations and even throwing out longstanding traditions like lengthy lunch breaks.
Until recent weeks, Alan Ace Greenbergrg, Bear Stearns's chairman for more than 20 years and a championship bridge player, still regaled its partners over lengthy lunches about gambling with the firm's money in its wood-paneled dining room.
