BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: having strength or power greater than average or expected
"a strong radio signal"; "strong medicine"; "a strong man";
See also: powerful, robust, rugged, toughened, tough
How to sign: able to withstand attack
"an impregnable fortress"; "fortifications that made the frontier inviolable";
Similiar / Same: impregnable, unassailable, unattackable, inviolable, secure
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