Bible Dictionary
UNEQUAL
Unequal describes something not properly weighed or matched. The New Testament warning against being unequally yoked uses the image of joining animals of different kinds and teaches against binding oneself in a spiritually unsuitable partnership.
Biblical Usage
Ezekiel uses the word for something not weighed or illogical. Paul’s expression in 2 Corinthians uses the image of unlike animals yoked together, presenting an unsuitable joining.