Adjective
Not conforming to a type.
(computing) untyped
Source: en.wiktionary.orgAll variables, and in fact all values of any kind, are stored as typeless character strings handled by the interpreter as numbers or text based purely on context. Source: Internet
The typeless nature of B made sense on the Honeywell, PDP-7 and many older computers, but was a problem on the PDP-11 because it was difficult to elegantly access the character data type that the PDP-11 and most modern computers fully support. Source: Internet
B is typeless, or more precisely has one data type: the computer word. Source: Internet