Fasten implies an action such as tying, buttoning, nailing, locking, or otherwise securing. While all these words mean to make something stay firmly in place, fix usually implies a driving in, implanting, or embedding. To arrange or agree a time, place, price, etc.
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Fix meaning “to repair,” which is probably an americanism, is fully standard in all varieties of speech and writing
Fix (to) meaning “to prepare, plan (to)” is another americanism
We're fixing to go to town. Discover everything about the word fix in english Find 2582 different ways to say fix, along with antonyms, related words, and example sentences at thesaurus.com. To fix is to fasten in position securely or to make more or less permanent against change, especially something already existing
To fix a bayonet on a gun Fix a principle in one's mind. Let's fix the date for the party! that'll fix him good!; Some common synonyms of fix are affix, attach, and fasten
