1. Lacking a signature
   "the message was typewritten and unsigned"

Antonym: signed

Encyclopedia: Unsigned

• Scirpus acutus
• Scirpus cyperinus
• scissile
• scission
• scissor
• scissor grip
• scissor hold
• scissor-tailed
• scissors
• scissors grip
• scissors hold
• scissors kick
• scissortail
• scissortailed flycatcher
• scissure
• Sciuridae
• sciurine
• Sciuromorpha
• Sciurus
• Sciurus carolinensis
• Sciurus griseus
• Sciurus hudsonicus
• Sciurus niger
• Sciurus vulgaris
• sclaff