1
general::
adj. not bent or curved VERBS be, look | become | stay | keep sth Keep your back absolutely straight. ADV. absolutely, completely, dead, perfectly Keep going in a dead straight line. His teeth were white and perfectly straight. | almost, more or less, nearly, practically | fairly, relatively level/upright VERBS be, look | hang sth, put sth Can you hang that sign straight for me? ADV. absolutely, completely, perfectly, quite | almost, more or less, nearly tidy/in order VERBS be | get sth, put sth I'm trying to get the house straight before the weekend. She tidied up and put the ornaments straight. honest and truthful VERBS be I think he was pretty straight with me. ADV. absolutely, completely, totally | fairly, pretty PREP. with Are you being completely straight with her? clear/understood VERBS be | get sth ADV. absolutely Let's get this absolutely straight.
Oxford Collocations Dictionary
3
general::
In addition to the idioms beginning with STRAIGHT, Also see (STRAIGHT) FROM THE HORSE'S MOUTH; GET SOMETHING STRAIGHT; GIVE IT TO (SOMEONE STRAIGHT); GO STRAIGHT; KEEP A STRAIGHT FACE; RIGHT (STRAIGHT) OUT; SET STRAIGHT; SHOOT STRAIGHT.
American Heritage Idioms