1. A cruciferous plant of the genus isatis, formerly much cultivated for the sake of a permanent blue dye, extracted from its root-leaves, but now nearly superseded by indigo.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• wond,
• wotj,
• woude,
• soad,
• woutd,
• wouid,
• tword,
• wuold,
• wrad,
• towad,
• workd,
• whoed,
• worid,
• woodk,
• whad,
• wolde,
• wourd,
• woaw,
• swoard,
• woked

• woody,
• woodie,
• wood.

The adjective form of the word "woad" is "woadish".

The plural of the "woad" can be the "woads".

The singular of the "woad" can be the "woad".