13-Letter Words Starting With IN

Here's the list of all the 649 13-Letter Words Starting With IN in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Words (with Definitions and Examples)
international
1. concerning or belonging to all or at least two or more nations
2. from or between other countries
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investigation
1. an inquiry into unfamiliar or questionable activities
2. the work of inquiring into something thoroughly and systematically
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institutional
1. relating to or constituting or involving an institution
2. organized as or forming an institution
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informational
1. relating to or having the nature of information
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instructional
1. of or relating to or used in instruction
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13-Letter Words Starting With IN