Source : Webster's Revised Unabridged Dictionary (1913)

Straight \Straight\, a.
   A variant of {Strait}, a. [Obs. or R.]

         Egypt is a long country, but it is straight, that is to
         say, narrow.                             --Sir J.
                                                  Mandeville.

Straight \Straight\, a. [Compar. {Straighter}; superl.
   {Straightest}.] [OE. strei?t, properly p. p. of strecchen to
   stretch, AS. streht, p. p. of streccan to stretch, to extend.
   See {Stretch}.]
   1. Right, in a mathematical sense; passing from one point to
      another by the nearest course; direct; not deviating or
      crooked; as, a straight line or course; a straight piece
      of timber.

            And the crooked shall be made straight. --Isa. xl.
                                                  4.

            There are many several sorts of crooked lines, but
            there is only one which is straight.  --Dryden.

   2. (Bot.) Approximately straight; not much curved; as,
      straight ribs are such as pass from the base of a leaf to
      the apex, with a small curve.

   3. (Card Playing) Composed of cards which constitute a
      regular sequence, as the ace, king, queen, jack, and
      ten-spot; as, a straight hand; a straight flush.

Straight \Straight\, adv.
   In a straight manner; directly; rightly; forthwith;
   immediately; as, the arrow went straight to the mark.
   ``Floating straight.'' --Shak.

         I know thy generous temper well; Fling but the
         appearance of dishonor on it, It straight takes fire,
         and mounts into a blaze.                 --Addison.

         Everything was going on straight.        --W. Black.

Straight \Straight\, n. (Poker)
   A hand of five cards in consecutive order as to value; a
   sequence. When they are of one suit, it is calles straight
   flush.

Straight \Straight\, v. t.
   To straighten. [R.] --A Smith.

Source : WordNet®

straight
     adj 1: successive (without a break); "sick for five straight days"
            [syn: {consecutive}]
     2: having no deviations; "straight lines"; "straight roads
        across the desert"; "straight teeth"; "straight shoulders"
        [ant: {crooked}]
     3: (of hair) having no waves or curls; "her naturally straight
        hair hung long and silky" [ant: {curly}]
     4: erect in posture; "behind him sat old man Arthur; he was
        straight with something angry in his attitude"; "stood
        defiantly with unbowed back" [syn: {unbent}, {unbowed}, {upright}]
     5: right; in keeping with the facts; "set the record straight";
        "made sure the facts were straight in the report"
     6: honest and morally upright; "I just want a straight answer
        to the question"; "straight dealing" [ant: {crooked}]
     7: no longer coiled [syn: {uncoiled}] [ant: {coiled}]
     8: without curves [ant: {curved}]
     9: neatly arranged; not disorderly; "the room is straight now"
     10: characterized by honesty and fairness; "a square deal";
         "wanted to do the square thing" [syn: {square}]
     11: not homosexual
     12: accurately fitted; level; "the window frame isn't quite
         true" [syn: {true}]
     13: without water; "took his whiskey neat" [syn: {neat}, {full-strength}]
     14: reliable in matters of fact; "he was always straight with
         me"
     15: following a correct or logical method; "straight reasoning"
     16: rigidly conventional or old-fashioned [syn: {square}]

straight
     n 1: a heterosexual person; someone having a sexual orientation
          to persons of the opposite sex [syn: {heterosexual}, {heterosexual
          person}, {straight person}]
     2: a poker hand with 5 consecutive cards (regardless of suit)
     3: a straight segment of a roadway or racecourse [syn: {straightaway}]

straight
     adv 1: without deviation; "the path leads directly to the lake";
            "went direct to the office" [syn: {directly}, {direct}]
     2: in a forthright manner; candidly or frankly; "he didn't
        answer directly"; "told me straight out"; "came out flat
        for less work and more pay" [syn: {directly}, {flat}]
        [ant: {indirectly}]
     3: in a straight line; in a direct course; "the road runs
        straight"