adj.
 of great or more than average height. 
▸measuring a specified distance from top to bottom.
Phrase
  
    - a tall order
 an unreasonable or difficult demand.
- tall story 
(or tale)
 an account that is fanciful and difficult to believe.
 
  Derivative
  
  Etymology
  ME (in senses ‘swift, prompt, fine, handsome’, and ‘bold, strong’): prob. from OE getæl ‘swift, prompt’.