1. Without proper consideration or reflection
   "unconsidered words"; "prejudice is the holding of unconsidered opinions"
   - inconsiderate

See also: thoughtless

• seminal vesicle
• seminar
• seminarian
• seminarist
• seminary
• seminate
• seminiferous
• seminiferous tubule
• Seminole
• Seminole bread
• seminoma
• seminude
• semiofficial
• semiology
• semiopaque
• semiotic
• semiotical
• semiotician
• semiotics
• semiparasite
• semiparasitic
• semipermanent
• semipermeable
• semipermeable membrane
• semipolitical