Blend in
The opposite position of sit is "stand."
Blend in
If someone can't stand something, that person hates or abhors it. The opposite would be adores, loves, or the like.
...stand
stand still
of Stand, imp. & p. p. of Stand.
Stand is the opposite of "sit" and has a short vowel sound.
run, sprint
Sit down
stand
The minus sign.
Stand.