2. Characterized by perseverance; persistent. 3. Difficult to treat or deal with; resistant to treatment or effort:
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
2. Characterized by perseverance; persistent. 3. Difficult to treat or deal with; resistant to treatment or effort: