What is the closest meaning of the word 'Reticent'?

• Reticent (adjective)
English Meaning: Unwilling to speak about your thoughts or feelings.
Bangla Meaning: স্বল্পভাষী; গুরুগম্ভীর: He seemed strangely reticent about his past.

Synonyms: Reserved (গুরুগম্ভীর), Introverted (অন্তর্মুখী), Uncommunicative (মুখবোজা; চাপাস্বভাব), Untalkative (নীরব), Silent (মৌন), Bashful (লাজুক)।

Antonyms: Expansive (উচ্ছল; উচ্ছলিত; উচ্ছলতাপূর্ণ), Garrulous (বাক্যবাগীশ), Communicative (আলাপী), Extroverted (বহির্মুখী), Talkative (বাচাল)।

Example Sentence:
1. She was extremely reticent about her personal affairs.
2. I am always reticent to say too much on other folks' blogs for fear of putting my foot in my mouth.

Source: Website Lecture.