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errand – n. a short trip that you take to do or get something

acronym – n. a word formed from the first letters of each one of the words in a term

casual – adj. unstructured or unofficial; everyday

incredible – adj. unbelievable; unimaginable

abrupt – adj. talking to other people in a very brief and unfriendly way

conversational – adj. relating to or suggesting informal talk; relating to or suggesting a discussion

adverb – a word that changes the meaning of a verb