Childish - is a negative word - for example, to describe an adult who is being childish. It is a metaphor for "immature". Childlike - is not negative, but just sort of a comparative adjective, comparing something to the qualities or characteristics of a child. For example "The ballerina's dance was childlike."; "He had a childlike way of seeing the world." A movie character like Forrest Gump would be an example of someone who is childlike. illegible and unreadable are 2 ways of saying the same thing. intolerable - something that one cannot endure "His behavior is so intolerable."; "Unemployment is very intolerable; I have to earn money." intolerant - Someone who is intolerant is someone who is unable to tolerate, put up with, or stand something or someone, such as behavior, or a rude person - "When it comes to conservatives, he is very intolerant."; "I am very intolerant of rude people."

When something is illegible it means that the handwriting or typeset is so poor that you cannot understand what the letters are. When something is unreadable it is either because it is illegible, so boring or of poor literary quality that you cannot read it through to the end, or so technically complex that the reader does not at all understand. Childish and childlike are extremely close in meaning. They both mean of, like or pertaining to a child. Childish can be a more negative term meaning weak or of minor character. We generally can use the words interchangeably. Intolerant describes an individual or entity that only accepts as plausible their own rules or beliefs; all other beliefs or rules are wrong. Intolerable is the feeling you have when someone else is intolerant, it means I cannot tolerate you because you are so frustrating.