When you intimidate, you frighten or make someone afraid.
A pet rat might intimidate your sister's friends, keeping them out of your fort.
On this page you can see how to spell intimidating.
Also, for some words, you can find their definitions, list of synonyms, as well as list of common misspellings.
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co.