Definition of Fly By Night

This term refers to a person or an organization that is not following the rules of the law or industry.


Usage of "Fly By Night" by Country

Business English is used in many different countries around the world. Some of the words and phrases listed on this site will be understood everywhere Business English is used, but some words and phrases are only used in specific countries. The map below shows where "Fly By Night" is most commonly used.

Word Usage Map

Learn More About "Fly By Night"

"Fly By Night" is in the top 30% most popular words looked up on this site.

"Fly By Night" is used in the workplace during meetings or emails.

The definition for "Fly By Night" was last updated in 2021.

Trending Words

Check out the list below for the trending words that people are searching for on this site.

Cottage Industry
True North
IAB
Career Limiting Move
Closed-Door Meeting

Newest Words

Check out the list below for the latest words and phrases added to this site.

Under-Index
Cohort
Thanks For The Warm Welcome
Checklist
Greener Pastures

Business English Quiz

Question: What does "Calendar Invite" mean?

   (A) When a person wants to meet with you next week.
   (B) An email sent to schedule a meeting with the option to either accept or decline the meeting at the scheduled time.
   (C) When a person has available time on their calendar to meet with you.
   (D) When a person does not have any time to meet with you.

Answer: Find out the right answer here.

About This Site

Jargonism is a Business English dictionary. You can learn about words and phrases that are commonly used in the workplace like Circle Back, Thought Leader, and Offsite. We also have a Word of the Day, which is a daily Business English vocabulary word that is commonly used in the workplace.

On this site, we also have templates on how to communicate effectively at work, such as requesting PTO, declining a promotion, and taking a sick day.

Word of the Day

Date: 10/25/2021

Word: Close It Out

Definition: To mark something as completed.

Example: This task has been fixed, so let's close it out within the task tracker.

Cite This Page

"Fly By Night." Jargonism.com Dictionary, https://jargonism.com/words/434. Accessed 10/25/2021.