The emergency team will stand by in case anything goes wrong.
A: Are you coming with us now? B: No, I'll stand by and wait for your call if you need help.
In my opinion, it's important for doctors to stand by during big public events in case of accidents.
Common mistake
✗We are standing by for help you.
✓We're standing by to help you.
'Standing by TO + verb' — not 'for'.
Tell it apart
We're standing by to assist.
ready to act
We're standing by our decision.
refusing to change it
Use 'stand by' when someone is waiting and ready to help, not just standing nearby.'Stand by' here is about being prepared, not about physically standing next to someone.
To support or remain loyal to someone, especially in difficult times.
No matter what happens, I'll always stand by you.
A: I made a mistake at work. B: Don't worry, I'll stand by you.
I believe true friends are those who stand by you when life gets difficult.
Common mistake
✗She stood by with her husband.
✓She stood by her husband.
'Stand by someone' takes the person directly — no 'with'.
Tell it apart
She stood by him through it all.
stayed loyal
She stood by and let it happen.
did nothing — sense
Use 'stand by' with a person to show you support them, especially when things are tough.'Stand by' in this sense is about emotional or moral support, not physical presence.
To deliberately take no action or fail to intervene, especially when action is expected in a problematic or critical situation.
Many people criticised the government for standing by while the crisis unfolded.
A: Did you see what happened at the meeting? No one spoke up about the unfair decision. B: I know, it was disappointing to see everyone just stand by and let it happen.
It is unacceptable for the international community to stand by and allow human rights abuses to continue unchecked.
Common mistake
✗I won't stand by to watch this happen.
✓I won't stand by and watch this happen.
'Stand by AND' do nothing — pair it with 'and', not 'to'.
Tell it apart
He stood by and watched.
did nothing while it happened
He stood by her.
stayed loyal — support sense
Use this sense when describing situations where someone fails to act, often with a negative or critical connotation. It is common in news, academic, and evaluative contexts.Unlike the B1 sense ('be ready to help') and the B2 sense ('support someone'), this sense is negative: it means to remain passive when action is needed, not to offer help or support.