cari istilah yang lo mau, kaya' sex:
 
1.
Completely unwavering; resolute in decision or conviction; unbreakable
The steadfast love of the Lord is everlasting.
dari Little Dade Sabtu, 14 Oktober 2006
 
2.
Most sick to any degree or magnitude.
Dude, your dual processor is steadfast!
dari Eddie Kamis, 21 April 2005