BSL Sign Language Dictionary

Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.

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How to sign: producing or capable of producing an intended result or having a striking effect
"an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"-LewisMumford; "effective teaching methods"; "effective steps towar;

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See also: useful, efficacious, utile, efficient, powerful, potent, strong

Similiar / Same: effectual, efficacious

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