1. One of those military expeditions undertaken during the middle ages under the banner of the cross for the recovery of the Holy Land from the power of the Saracens; any hostile joint enterprise conducted in a similar enthusiastic or fanatical spirit.

2. To join in a crusade.

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

• crusaid,
• cruide,
• crused,
• crusaids,
• crusal,
• casade,
• crusine,
• crosage,
• crusive,
• prusade,
• causde,
• crusad,
• prusuade,
• cursade,
• prusaude,
• perusade,
• purusade,
• crusome,
• crusde,
• cruisade

• crust,
• crystalise,
• cristal,
• Crusaded,
• crusades,
• Crista,
• crushed,
• crossett,
• crest,
• Cruzado,
• Crysta,
• Cristen,
• crossed,
• crustacean,
• crested,
• crosshead,
• crist,
• crustose,
• crouched,
• Cristina,
• crystalize,
• Cristie,
• crustacea,
• Crystle,
• crusader,
• crusted,
• crosstie,
• Cristaldi,
• Cristine,
• crassitude,
• crystal.

The adverb form of "crusade" is "crusading".

The adjective form of the word "crusade" is "crusading".

The plural of the "crusade" can be the "crusades".

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