Email & Comms Jargon · Associate level

"COB"

"COB" stands for "close of business" and means the end of the standard workday, typically 5 or 6 p.m. in the recipient's time zone.

Say this instead: end of day

Got "COB" in an email? Buzzkill translates it right inside Gmail.

Add to Chrome, free

How "COB" shows up at work

The deadline that sounds more official than "today" but is equally vague across time zones. Whoever sets a COB deadline rarely specifies whose COB, leaving everyone to assume the worst.

Buzzword

Please send me your updates by COB Friday.

Plain English

Please send me your updates by end of day Friday.

Corporate Rank: Associate · Category: Email & Comms Jargon

Stop sounding like the buzzword.

Buzzkill highlights "COB" and 637 other buzzwords in Gmail and LinkedIn, and rewrites them to plain English in one click. Free to try, 100% local.

Add to Chrome, free

More Email & Comms Jargon: Adding for visibility · Adding to the thread · Any update on this · Apologies for the delay · As discussed · As per our conversation

All Email & Comms Jargon · The full library · What's your Corporate Rank?