"seemingly bizarre" is correct and usable in written English.
It is often used to describe something that appears to be odd or unusual but may not necessarily be so. You can use it in any sentence to add emphasis to the bizarre nature of something. Example: Despite its seemingly bizarre appearance, the sculpture held a deeper meaning that was appreciated by art enthusiasts.
The confession was all the more extraordinary for the seemingly bizarre circumstances of the alleged assault.
And it is not just Texans who are irked by NASA's seemingly bizarre decision.
Are seemingly bizarre collaborations in popular music desperate attempts to cover a deficit of genuine creativity?
With its seemingly bizarre tribal loyalties, the modern British game could be said to express similar primal needs.
It has amazing, and desirable, properties, which is why Randy's seemingly bizarre research is so robustly funded.
The theory, developed in the 1920s and 1930s, makes seemingly bizarre statements, including the fundamental truth that it is impossible to know everything about the world.
But the large portraits projected above the stage laid bare the ravages of the plastic surgery with which the singer disfigured his body, in a seemingly-bizarre rejection of his ethnic background.
IFC gets much credit for greenlighting the seemingly quite bizarre miniseries, continues the cable channel's strategy for taking risks with its comedy programming.
This book is filled with seemingly-impossible, bizarre, and incomplete stories that changed history.
In his ruling on Thursday, Judge Garcia said that this behavior by Mr. Wood was "bizarre, seemingly paranoid and clearly suicidal".
Unlike Pfitzner's seemingly aimless, slightly bizarre pieces, Walter's symphony was impressive: poised, organized and carrying the vocabulary of Bruckner and the young Richard Strauss confidently into the 20th century.
