prac·ti·cal /ˈpræktɪkəl/
  (a.)實際的,實踐的;實用的,應用的;有實際經驗的
  Prac·ti·cal a.
  1. Of or pertaining to practice or action.
  2. Capable of being turned to use or account; useful, in distinction from ideal or theoretical; as, practical chemistry. “Man's practical understanding.” --South. “For all practical purposes.” --Macaulay.
  3. Evincing practice or skill; capable of applying knowledge to some useful end; as, a practical man; a practical mind.
  4. Derived from practice; as, practical skill.
  Practical joke, a joke put in practice; a joke the fun of which consists in something done, in distinction from something said; esp., a trick played upon a person.
  ◄ ►
  practical
       adj 1: concerned with actual use or practice; "he is a very
              practical person"; "the idea had no practical
              application"; "a practical knowledge of Japanese";
              "woodworking is a practical art" [ant: impractical]
       2: guided by practical experience and observation rather than
          theory; "a hardheaded appraisal of our position"; "a
          hard-nosed labor leader"; "completely practical in his
          approach to business"; "not ideology but pragmatic
          politics" [syn: hardheaded, hard-nosed, pragmatic]
       3: being actually such in almost every respect; "a practical
          failure"; "the once elegant temple lay in virtual ruin"
          [syn: virtual(a), practical(a)]
       4: having or put to a practical purpose or use; "practical
          mathematics"; "practical applications of calculus"