We don't have synonyms for coneheads yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are bonehead, boneheads and conehead.
(N) :
a fictional family of extraterrestrials with bald conical heads, created for a series of recurring sketches on Saturday Night Live.
(N) :
a 1993 American science-fiction comedy film from Paramount Pictures, produced by Lorne Michaels, directed by Steve Barron, and starring Dan Aykroyd, Jane Curtin and Michelle Burke.
(N) :
a fictional family of extraterrestrials with bald conical heads, created for a series of recurring sketches on Saturday Night Live.
(N) :
a 1993 American science-fiction comedy film from Paramount Pictures, produced by Lorne Michaels, directed by Steve Barron, and starring Dan Aykroyd, Jane Curtin and Michelle Burke.