ironed adjective5 •That has been pressed or smoothed with a hot iron; pressed. •Treated as with a hair iron; curled with a curling iron, or straightened with a straightening-iron or with electric straighteners. •That has been put in irons; shackled.[T]he ironed convict, dragging his tree trunk to the summit edge of some beetling plateau, looks down upon a sea of fog, through which rise mountain-tops like islands […]. — 1874 •Proivided with, or strengthened by, iron; shod with iron. •(no longer used) Made of iron. formsmore ironed · most ironed