Any word is a synonym.
Hunched, slumped, bent over, hunched over.
Arrogant, over-confident, proud
hang over
everywhere
Dialogue?
double, doubly, once over, over again, twofold
"Above" for one sense of over and "finished" for another one.
look over
spare, left over or remaining
The antonym for overhead is under
"supervised"; "watched over"; "headed"; "coordinated" (as in, by the "coordinator of..")
a synonym is a word that means the same as another wordso consider is a synonym ofacknowledge, allow for, assent to, chew over, cogitate, concede, consult, contemplate, deal with, deliberateetc.if you want to find synonyms of words, type them in on www.thesaurus.com