Commonly confused
Set off vs Set back
“Set off” and “Set back” look alike but pull in different directions. Here is the quick way to tell them apart — with examples, the mistake to avoid, and a check.
Which one do you mean?
Off means begin a journey or trigger something; back means delay progress (or, informally, cost a lot).
Set off
Begin a journey, or trigger something (an alarm).
Set back
Delay progress; informally, cost a large amount.
set off
- 1
Begin a journey
Correct use
“After meeting at the shopping centre cafe, Maya and Leo set off for the first shop on their list.”
Maya and Leo began their walk to the first shop.
set back
- 1
Delay or hinder progress
- 2
Cost someone a particular amount of money
Correct use
“The illness set him back months.”
The illness delayed his progress by months.
Common mistake
The rain set off our plans by a week.
The rain set back our plans by a week.
To delay progress, use set back.
Test yourself
“After meeting at the shopping centre cafe, Maya and Leo set off for the first shop on their list.” What does it mean?
Sink In — iOS & Android
Stop mixing them up
Sink In turns confusable pairs like this into quick contrast drills, so the right particle becomes automatic instead of a guess.
- Learn the pattern behind dozens of verbs at once — not one-off translations.
- Spaced repetition (SM-2) brings each meaning back right before you forget.
- Four practice modes train recall and discrimination, not just recognition.
