na-adjective
bureaucratic
Describes rigid, rule-bound, or red-tape behavior typical of bureaucracy. Often carries a negative connotation of inflexibility or inefficiency.
あの会社の対応は官僚的で、なかなか話が進まない。
That company's response is bureaucratic, and things don't move forward easily.
手続きが官僚的すぎて
The procedure was too bureaucratic, and the application took a long time.
形式的 means 'formal' or 'perfunctory', focusing on outward form rather than substance. 官僚的 emphasizes the rigid, rule-driven nature associated with bureaucracy.
Compound of 官僚 (bureaucrat) + 的 (-like, -tic). The suffix 的 is productive for forming adjectival nouns from nouns.