ulterior

/ʌlˈtɪriər/
adjective
  1. Existing beyond what is obvious or admitted; intentionally hidden or kept secret, especially for a selfish or dishonest purpose.
    • The politician's sudden interest in environmental issues seemed to have an ulterior purpose.
    • I don't trust his compliments; they might have an ulterior meaning.
    • She suspected he had an ulterior motive for offering to help with the project.
Antonyms
What does "ulterior" mean? | whatsthatwordmean | whatsthatwordmean