antediluvian

Definition

Extremely old-fashioned, obsolete, or from a very remote time, often used to convey a sense of ancientness.

বাংলা অত্যন্ত পুরাতন, প্রাচীন, বা একটি খুব দূরবর্তী সময়ের থেকে

Example

"The museum exhibit featured antediluvian artifacts from the ancient civilization."