1. Impossible to achieve
   "an unattainable goal"
   - unachievable, undoable, unrealizable, unrealisable [Brit]

See also: impossible, unattainableness

• vasopressin
• vasopressor
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• vasovesiculitis
• vassal
• vassalage
• vast
• vastitude
• vastly
• vastness
• vat
• vat color
• vat colour
• vat dye
• vatic
• vatical
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