plural of wrong-headedness

utterly wrong.

(rare) Alternative form of dead wrong

(derogatory) Of a supposedly scientific argument or explanation: unable to be meaningfully discussed because it is based on fundamentally invalid reasoning or speculative premises that cannot be proven or falsified.

(transitive) Used other than figuratively or idiomatically: see get, wrong. / (Tyneside, Norfolk, often with off) To be told off or reprimanded; to get into trouble.

(textiles, sewing) The side of a fabric, often with a less visible color or pattern, that is not intended to be seen on a finished project.

plural of wrong side

using the wrong general approach to a particular task or problem; pursuing something in an unpromising way

Alternative form of wrong-foot

Older than (the stated age, typically a decade). / Used in various other expressions to refer to an inimical or disfavoured condition.