iron out

Verb

iron out (third-person singular simple present irons out, present participle ironing out, simple past and past participle ironed out)

1. (transitive) To remove (a crease or creases) with an iron.
   • That shirt still has a few more wrinkles to iron out.
2. (transitive) To make (something) flat or smooth as if with an iron.
   • Dilatation of this type “irons out the folds” of the urethra, giving better drainage of the paraurethral glands, stimulating circulation and promoting rapid healing, especially when small doses (7½ gr. q.i.d.) of one of the triple-sulfonamides are given as an adjunct.1951 January, Gordon W. Reynolds, “The Female Urethra and Chronic Urethritis”, in Northwest Medicine, volume 50, number 1, Portland, Ore.: Northwest Medical Publishing Association, page 34
3. (figuratively, transitive) To resolve (a dispute); to solve (a problem).
   • Let's just sit down and iron out an agreement on this issue.
   • We need to iron out the wrinkles in the plan before implementing it.

   Synonyms:

   puzzle out, resolve, work out, absolve, decipher, get to the bottom of, meliorate, ravel, reason out, riddle

4. (slang, transitive) To thrash or beat up; to overwhelm in a fight.
   • It was a WhatsApp message saying, 'do you want to fight Christmas time/December? Exhibition, who ever you want'. […] Of course I would [fight a YouTuber] - especially Jake Paul! I'd iron him out. He wouldn't fight me though, would he?2023 July 25, Jack Evanoff, quoting Carl Froch, “"Iron him out" - Former champion reveals talks about potential fight with Jake Paul”, in Sportskeeda
5. (slang, transitive) To kill.
   • ‘I’ll f***king run out of the crowd with a f***king pillowcase, put it over his nut and just suffocate him.[’] […] He explained: ‘I think that’s the move because no-one’s going to iron him out and he needs to go don’t he, this geezer?[’]2023 June 27, Lucy Norris, “Danny Dyer vows to ‘kill Putin’ and explains how we would do it in explosive rant”, in Metro

   Synonyms:

   annihilate, bag, baptize, bereave of life, blight, bring down, bump off, bury, cack, compromised to a permanent end