Lock up/lock down

Question

what is the difference between these two phrase?

I heard of:
Lock up your iPad with parental controls.

but can we say
Lock down your iPad with parental controls?

It would be great if anyone can reference me to other good examples.

Clive · Accepted Answer

Generally speaking -

lock up means prevent people from using.
eg The teacher locked up his classroom. More common here is just 'locked'.

eg The teacher locked up the question papers for the next day's exam. He prevented anyone from accessing them

Lock down means to apply strict controls.
eg The teachers locked down the school because the students were in danger. They would not let anyone in or out.
This is not a common expression. I usually hear it only for schools.

In your example, only 'lock down' sounds half-way acceptable. But I'd prefer some other word, like 'secure'.

Clive

Panda car 46 · Answer

Lock up:Other do it .Inmates are locked up in the night by the prison warders.

Lock down:You do it yourself. The authorities demands lock down of your place or the whole vicinity ,to prevent /protect from calamities.

Anonymous · Answer

Lockup - Corrective Action

Lockdown - Preventive Action

For more details refer to definitions of Corrective and Preventive actions.

Thank you for the space to comment my views.

Lock up/lock down

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