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in·form

inform

 
 
pronunciation:
ihn form
features:
Word Explorer, Word Parts
part of speech: verb
inflections: informs, informing, informed
definition 1: to give knowledge to; tell.
They informed me that today is your birthday.
synonyms:
advise, notify, tell
similar words:
acquaint, brief, clue in, communicate, enlighten, fill in, illuminate, instruct, relate, report
definition 2: to provide information about someone that shows that person has done something wrong.
Bill's classmates were angry that he informed on them.
synonyms:
tell
similar words:
rat, sing, squeal, tattle
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  advertise, advertisement, communication, learn
Word Parts  About this feature
The word inform contains the following parts:
in-1 Latin prefix that means in, into, on
Show wordsHide wordsMore about this word part:
The prefix in-1 occurs in Latin loanwords and thus attaches to Latin roots (infect , inscribe ). -in1 has multiple forms, as the "n" sound in in- assimilates to the initial sound of the base to which it is attached. See the assimilated forms il-1, im-1, and ir-1.
form Latin root that means shape, form