unsoldierly adjective 1adverb 1forms 2 adjective1 •Not soldierly, not appropriate for a soldier.His desertion was condemned as an unsoldierly act of cowardice. adverb1 •In a manner that is not appropriate for a soldier.A few of them limped unsoldierly in deference to blistered feet. — 1881 formsmore unsoldierly · most unsoldierly