not sensible; foolish
absurd, giddy, foolish
Cases of word usage
1) (to make) a silly mistake (boob)
2) without reason, sense or good judgement; silly (foolish)
3) thoughtful; not funny, silly or for pleasure; important because of danger; committed; sincere (serious)
4) (to give) a silly (often rude), self-satisfied smile (smirk)
5) a substance made of fat or oil etc, used for washing and cleaning; flattering praise or silly romantic talk (especially insincere) (soap)
6) (to give) a silly little laugh (titter)
7) stupid; silly (unhinged)
