total | unconditional | immediate

demand
The allied commander demanded their immediate and unconditional surrender.

force/starve into
The villagers were starved into surrender.

accept, take
The division took the surrender of a group of some 500 rebels.

~ to
the government''s surrender to the nationalists'' demands

a flag of surrender
The rebels hoisted the white flag of surrender.

in (mock) surrender
He raised his hands in mock surrender.

the terms of surrender
offering them easy terms of surrender

completely
After three weeks under siege they surrendered completely.

immediately | eventually, finally | formally
The British formally surrendered on 31 May.

voluntarily

order sb to
They were ordered to surrender their weapons to the police.

agree to
They agreed to surrender their claim to the territory.

refuse to | be forced to

to
He surrendered voluntarily to his enemies. | The dictator surrendered power to Parliament.