Sentence:  The underlying assumption , of course , is that only sight and touch enable us , in any precise and fully dependable way , to locate objects in space beyond us , the other senses being decidedly inferior , if not <WSD>totally</WSD> inadequate , in this regard . 
Meaning of the word marked with <WSD> tags:  to a complete degree or to the full or entire extent (`whole' is often used informally for `wholly')