Meaning: Inexperienced or Immature, lacking in life experience.
Synonyms: Immature, inexperienced, juvenile, adolescent, naive, green, raw, untried, unworldly, unsophisticated.
In Hindi: अनुभवहीन, अनभ्यस्त
Use: Alia is a callow secretary who needs to take a few more computer classes.
The callow basketball player missed an incredibly easy shot.
Many people wonder whether Zuckerberg can manage the company when he became a CEO at his callow age.
As a teacher with over thirty years of experience, Carol is definitely not a callow educator.