synonyms
invisible, unnoticeable
unobtrusive
to gather closely together, usually because of cold or fear
to huddle
The boxer prepared to ___ his opponent.
punch
revenge, payback
retaliation
to spread an oily substance roughly over a surface
to smear
His arms were exceptionally short, almost ___.
stunted
affection, attraction
affinity
never satisfied
insatiable
I've got to open the window - it's ___ in here!
suffocating