wild
Tame, meek
The word that has only four letters and is the opposite of mean in NICE
Tame is where you have a animal that is perfectly OK around people
pull
Imprison.
You can make team, mate, and meat with the letters in tame.
joy **that's 3 letters
tame
untamed, violent
The opposite of "happy" in four letters is "sad." While "happy" conveys feelings of joy and contentment, "sad" represents feelings of sorrow and unhappiness.
gentle, mild
The opposite of a dangerous dog would be a harmless, friendly, or tame dog.