by force
Definitions
Through the use of physical strength or violence.
By means of coercion or compulsion.
Examples
The invaders took control of the city by force.
He tried to open the locked door by force, but it would not budge.
Synonyms
forcibly under duress compulsorily at gunpoint coercively by compulsion violently
Antonyms
voluntarily willingly by choice spontaneously of one's own accord freely consensually