Definify.com

Webster 1913 Edition

Adj.

Having no spine, or vertebral column.

spineless ‎(comparative more spineless, superlative most spineless)

having no spine

uncourageous

Finnish: selkärangaton (fi)
Hebrew: חֲסַר חוּט שִׁדְרָה m ‎(ḥasár ḥut shidrá), חֲסַר עַמּוּד שִׁדְרָה m ‎(ḥasár 'amúd shidrá)