straight

Not having curves, bends, or angles; extending in one direction only. Also, honest and direct in manner or speech.

• The road ahead is straight for many miles, with no turns in sight. — The road does not curve or bend.
• He gave me a straight answer to my question, without any hesitation. — He responded in an honest and direct way.

In a straight line or direction; directly. Also, immediately or without delay.

• Please go straight home after school today. — Go directly home without stopping anywhere else.
• When the bell rang, she went straight to the principal's office. — She went to the office immediately and without delay.

A straight section of a road, race track, or other path. In poker, it refers to a hand of five cards of consecutive rank. Informally, the noun 'straight' can also refer to a heterosexual person, or a person who is conventional and serious rather than unconventional or rebellious. This abstract and informal use of 'straight' as a noun, particularly when referring to these qualities or identities, does not have a single direct equivalent word in Spanish and often requires a more descriptive phrase.

• The horses entered the final straight of the race, heading towards the finish line. — The last straight section of the racetrack.
• He got a straight with a queen high in the poker game, winning the pot. — A poker hand where the five cards are in consecutive numerical order, with the queen being the highest card.
• She’s always been a straight, preferring quiet evenings at home to wild parties. — She is a conventional person, as opposed to someone who is unconventional or rebellious.