unbreakable

/ ʌnˈbreɪkəbəl /

adjective

1. not able to be broken

Example Sentences

For Estonia's infrastructure minister, the railway is “an unbreakable link with the networks of Europe”.

From BBC

Irish Prime Minister Simon Harris said Ireland "will work to deepen and strengthen the historic and unbreakable bonds between our people and our nations in the years ahead".

From BBC

In Monday night’s encore at Truist Park, the rookie Japanese right-hander had to be unbreakable instead.

From Los Angeles Times

Developing an underdog, unbreakable mentality was a big factor in the cerebral Hardwick getting those tattooed sleeves.

From Los Angeles Times

The contributions of women like Lamb, radio operator Marie Scott and Pat Owtram, whose work helped crack previously unbreakable Nazi codes, have come into sharper focus as the number of living D-Day veterans dwindles.

From Seattle Times