Too and enough are used to describe how much or how little of something there is. Too is used to describe having more than necessary and having a negative effect, such as "it's too cold to work" or "I had too little money". Enough describes having the right amount, such as "I don't drink enough water" or "is this one big enough". Both too and enough can be used before adjectives and adverbs, and with more/many/fewer/less to talk about quantities of countable and uncountable nouns. They can also be used in sentences followed by for or to with an infinitive.