Definition of unmerchantlike in English:

unmerchantlike

Pronunciation /(ˌ)ʌnˈməːtʃ(ə)ntlʌɪk/

adjective

  • Not befitting a merchant; not merchantlike.

Origin

Early 17th century; earliest use found in John Wheeler (d. 1617), secretary of the Company of Merchant Adventurers. From un- + merchantlike.