It seems to me that definitions of disingenuous such as the following might imply willfulness: adjective lacking in frankness, candour, or sincerity; falsely or hypocritically ingenuous; ...
If something positive is "too much", it becomes negative. For example, too much security could be perceived as being trapped. Is there a term for this relation? In other words, if a word with a ...
Technically, you should expect the term low speed, not slow speed (which is obviously illogical). However, it seems the two phrases co-existed as long as one can look back: with low speed fighting ...