Webster's Revised Unabridged Dictionary · 1913

Straight

Straight , adjective

A variant of Strait, a. [Obsolete or Rare]
Egypt is a long country, but it is straight, that is to say, narrow. — Sir J. Mandeville

Straight , adjective

[Old English strei{not transcribed}t, properly past participle of strecchen to stretch, Anglo-Saxon streht, past participle 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.
(Botany) 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.
4.
Conforming to justice and rectitude; not deviating from truth or fairness; upright; as, straight dealing.
5.
Unmixed; undiluted; as, to take liquor straight. [Slang]
6.
Making no exceptions or deviations in one's support of the organization and candidates of a political party; as, a straight Republican; a straight Democrat; also, containing the names of all the regularly nominated candidates of a party and no others; as, a straight ballot. [Political Cant, United States]
Collocations (4)
Straight arch (Architecture) , a form of arch in which the intrados is straight, but with its joints drawn radially, as in a common arch.
A straight face , one giving no evidence of merriment or other emotion.
A straight line , “That which lies evenly between its extreme points.” Euclid. “The shortest line between two points.” Chauvenet. “A line which has the same direction through its whole length.” Newcomb.
Straight-way valve , a valve which, when opened widely, affords a straight passageway, as for water.

Straight , adverb

In a straight manner; directly; rightly; forthwith; immediately; as, the arrow went straight to the mark.
Floating straight. — Shakespeare
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 , noun

(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 , transitive verb

To straighten. [Rare] — A Smith