BSL Sign Language Dictionary

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

Android app on Google Play
NEW View all these signs in the Sign BSL Android App. Download for free.


How to sign: not consistent with or using reason
"irrational fears"; "irrational animals";

Sorry, no video found for this word.

See also: incoherent, unreasonable, illogical, unlogical

Do you know the sign for this?

Upload your sign now.

Share »   Facebook Twitter Pinterest Email