1 free (of charge)

1 to avert

2 to prevent

3 to avoid

4 to refrain from

1 inevitably

1 in order to avoid

2 so as not to

1 to excuse sb

2 to exempt

3 to remove or dismiss from office

4 to avoid

5 to avert

6 to escape

7 to be prohibited

1 to remove sth that could be used as a pretext (idiom)

1 to be unavoidable (idiom)

1 unable to break the custom (idiom)

2 bound by conventions

1 a financial loss may prevent disaster (idiom)