1. Spiralling upward from right to left
   - sinistrorse

See also: sinistral

• undefended
• undeferential
• undefiled
• undefinable
• undefined
• undelete
• undelineated
• undemanding
• undemocratic
• undemocratically
• undemonstrative
• undeniable
• undeniably
• undenominational
• undependability
• undependable
• undependableness
• undependably
• undepicted
• under
• under a cloud
• under arms
• under attack
• under fire
• under it