The opposite of vain meaning conceited is - humble. The opposite of vain meaning fruitless is - productive.
The comparative form is "more foolish", and the superlative form is "most foolish".
His Foolish Way - 1917 was released on: USA: September 1917
To get throw the vain, you must move your fairy very close to the vain and move it smoothly from up to the down, repeat this as much to get in the vain.....Attention: only some kind of specific vains can be gettin throw, only the VAINS in the BUBBLY BOG.IT TAKES TIME, DONT WORRY IF U CANT DO IN YOUR FIRST TRY.
The Luck o' the Foolish - 1924 was released on: USA: 14 September 1924
It's 'die in vain', meaning "to die needlessly"
Foolish Guys ... to Confound the Wise was created in 1980.
Foolish the Wise - 2002 is rated/received certificates of: USA:GP
wise
Foolish begins with F and it is the opposite of wise.
Wise and Foolish Maidens - 2012 was released on: USA: March 2012
Wise
A wise enemy is as good as a foolish friend.
Wise. -Dr.RSJameson 01March'08
Careless, foolish, idiotic, stupid, ignorant, senseless, irrational, thoughtless, uneducated, or reckless. Those words are the opposite of wise.
foolish
unwise foolish.
foolish