1
hazy
1
hermetical(obscure, dark, secret, unknown, hidden)
1
hi-tech(adjective, hard, fancy, difficult, complex)
1
hid
1
high-flown(abstract, theoretical, abstruse, philosophical)
1
highbrow(obscure, rational, knowledgeable, intellectual, cultured)
1
hush-hush(secret, hidden, clandestine, underground, undisclosed)
1
ideal(intellectual, abstract, theoretical, abstruse, philosophical)
1
immaterial(intellectual, abstract, theoretical, abstruse, philosophical)
1
impalpable(abstract, theoretical, abstruse, philosophical)
1
imperceivable(obscure, dark, secret, unknown, hidden)
1
in a cloud(expression, idiom)
1
in a fog(expression, idiom)
1
in eclipse
1
in purdah
1
in the dark(expression, idiom, obscure, dark, unknown)
1
in the know(expression, idiom, sound, knowledgeable, cultured)
1
in the wings(expression, idiom)
1
incognito(secret, hidden, clandestine, underground, undisclosed)
1
incommunicado
11 years ago|14k views|share |citing 
APASmart Define. (2015). recondite thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/recondite/thesaurus/synonyms
ChicagoSmart Define. 2015. "recondite thesaurus" https://smartdefine.org/recondite/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, recondite thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/recondite/thesaurus/synonyms>.
MLASmart Define. "recondite thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/recondite/thesaurus/synonyms>