Absolutely not. Context clues allow you to make a good guess, and depending on the context you could be correct, or you might not be. Looking a word up in the dictionary helps you have confidence that you really know what it means, and whether there are multiple definitions, slang usages, etc, that you might not get from the context alone.
Looking up unfamiliar words in a dictionary is beneficial for expanding one's vocabulary and understanding the meaning of the word in context. However, it is not always necessary depending on the situation. When a word is hindering comprehension or its meaning is crucial, it is helpful to consult a dictionary, but for general understanding, context clues can suffice.
No it depends on the context.
Polish (relating to Poland) should always be capitalized.
From the English Grammar Rule Book: "Capitalize proper nouns - A proper noun is the special noun or name used for a specific person, place, company, or other thing. Proper nouns should always be capitalized." "Dictionary" is the name of a specific book.
spank them. punishment should always be that! yummy
x
You can try to infer the meaning from the context or look it up in a dictionary. If possible, try to understand the word based on how it is used in the sentence or paragraph. If it is a key word to understanding the text, it's important to clarify its meaning before continuing to read.
Subject: Bringing a dictionary to class Predicate: is always a good idea
Dictionary
Yes, the term "Hispanic" should be capitalized when referring to people of Spanish-speaking descent or origin. It is considered a proper noun in this context.
Yesterday is always after today in a dictionary.
In the Dictionary, encyclopedia or Thesaurus.