/ daɪ; NAmE / verb , noun
( dyes , dye·ing , dyed , dyed ) to change the colour of sth, especially by using a special liquid or substance :
[ vn ]
to dye fabric
[ vn - adj ]
She dyed her hair blonde.
—see also tie-dye
[ C , U ] a substance that is used to change the colour of things such as cloth or hair :
natural / chemical / vegetable dyes
Old English dēag (noun), dēagian (verb). The noun is not recorded from Old English to the late 16th cent., when it was re-formed from the verb.