subject line
Plural
subject lines
1
the space at the top of an email that indicates its subject
A subject line is the brief title or heading of an email that summarizes its main topic or purpose. It appears at the top of the message and helps the recipient understand the content of the email before opening it. A clear and relevant subject line can make it easier for recipients to prioritize or organize their emails. It is important for the subject line to be concise and direct to attract the recipient's attention and convey the message's key point.
- The subject line of her email was so clear that I opened it right away.
- He added "Urgent" to the subject line to get my attention.
- I always check the subject line first before deciding whether to read the email.
- The subject line seemed too vague, so I almost ignored the email.