Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: make strong or stronger
"This exercise will strengthen your upper body"; "strenghten the relations between the two countries";
Similiar / Same: strengthen, beef up
Categories: alter, change, modify
Within this category: batten, batten, brace, buttress, confirm, reinforce, restrengthen, ruggedize, substantiate, undergird, vitalize