1. Lacking information or instruction
   - unenlightened, naive, naïve

See also: uninformed

• serious
• serious music
• serious-minded
• serious-mindedness
• seriously
• seriousness
• seriph
• Seriphidium
• Seriphidium canum
• Seriphidium maritimum
• Seriphidium tridentatum
• Seriphus
• Seriphus politus
• serjeant
• serjeant-at-arms
• serjeant-at-law
• Serkin
• sermon
• Sermon on the Mount
• sermonise
• sermoniser
• sermonize
• sermonizer
• serologic
• serological