fatuous

Etymology

From Latin fatuus (“foolish, silly, simple”).

adj

1. Obnoxiously stupid; vacantly silly; content in one's foolishness.
   A fatuous love affair can easily result in a fatuous marriage. A couple who hardly know each other and, indeed, may not even really like each other, make a commitment that has little chance of being honoured. 2004, Frank Tallis, Love Sick: Love as a Mental Illness, page 46
   While much publicity is given to fatuous 'reversing Beeching' ideas, the reality is that the real investment is focused on expanding the road network - …. December 2 2020, Christian Wolmar, “Wales offers us glimpse of an integrated transport policy”, in Rail, page 56