1. Impossible to achieve
   - unachievable, unattainable, undoable, unrealizable

See also: impossible

• whole rest
• whole shebang
• whole snipe
• whole step
• whole to part relation
• whole tone
• whole wheat bread
• whole wheat flour
• whole works
• whole-souled
• whole-wheat
• whole-word method
• wholegrain
• wholehearted
• wholeheartedly
• wholeheartedness
• wholemeal
• wholemeal bread
• wholeness
• wholesale
• wholesale house
• wholesale price index
• wholesaler
• wholesome
• wholesomely