nonsensical

And for the observant, yes, this ad is basically nonsensical.

The government gave some ground following the committee's description of the rules which penalise benefit claimants as "nonsensical".

As if the line weren’t already strange and abrupt, the sentence is even more nonsensical out of context.

Kirk’s “advice” to use college only as a marriage match service is nonsensical.

You have to keep reminding yourself that she’s drunk and impulsive while he, rather nonsensically, holds his feelings inside until the exact moment he should shut up and save himself.