1. Spinous.

2. Full of spines: thorny.

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

• apinose,
• zpinose,
• xpinose,
• dpinose,
• epinose,
• wpinose,
• soinose,
• slinose,
• s-inose,
• s0inose,
• spunose,
• spinoss,
• spionose,
• spinosse,
• spinoses,
• spinos,
• spienose,
• spinouse,
• Spineose,
• Spinyose

• spencer,
• spinoza,
• sponger,
• spanish,
• Spangler,
• Spence,
• sponge up,
• sponsor,
• spenser,
• spaying,
• spangle,
• spangled,
• spinus,
• Spink,
• spinster,
• spanos,
• spinks,
• Sponsler,
• spanker,
• sponseller,
• spunk,
• spinous,
• spengler,
• Spong,
• sponge on,
• spongefly,
• spinosa,
• spang,
• sponge,
• spank.

The adjective form of the word "spinose" is "spinous".

The plural form of "spinose" is "spinose".

The singular form of the word "spinose" is "spinose".