Lacking thorns
English: thornless, spineless
spinelessEnglish
spineless, gutless, invertebrate, namby-pamby, thornless
Adjective
Weak in willpower, courage or vitality
English: namby-pamby, gutless, spineless, wishy-washy
Lacking a backbone or spinal column
English: invertebrate, spineless
1 more adjective senses
Lacking spiny processes
English: spineless