パブリックpaburikku[1]atamadaka (head-high)

1. na-adjective, nounpublic

• 1.
  Synonym公的こうてきNeutralMeans public or official, as in 「公的機関」; more formal than 「パブリック」.
• 2.
  RelatedオープンNeutralLoanword for things being open or made public, also store openings and frankness; 「パブリック」 stresses belonging to the public or being shared.
• 3.
  RelatedおおっぴらCasualColloquial for doing something openly with nothing hidden, as in 「大っぴらに言う」; the focus is not avoiding people's eyes, not publicness.
• 4.
  Related公然こうぜんWrittenWritten word for overt, undisguised openness, as in 「公然の秘密」; carries a nuance of making no attempt to hide.
• 5.
  Related表立ったおもてだったNeutralMeans open and official, as in 「表立った動き」; stresses activity being brought out into the open rather than who it belongs to.
• 6.
  Related開放的かいほうてきNeutralDescribes an open, liberal attitude or a spacious, unenclosed space; about openness of character or setting, not public status.
• 7.
  Related世間的せけんてきNeutralRefers to social standing or worldly matters, as in 「世間的な評価」; centers on how society at large views something.
• 8.
  AntonymプライベートNeutralAntonym: private or personal, concerning one's own life rather than the public sphere; the direct opposite of 「パブリック」.
• 9.
  Antonym内部ないぶNeutralAntonym: the inside of something or within a group; contrasts with 「パブリック」 as what is open to outsiders.

In loan compounds for public matters, 「パブリック」 is the default, as in 「パブリックビューイング」; in formal prose use 「公的」 or 「公共」. 「オープン」 covers openness and openings; 「大っぴら」 (colloquial) and 「公然」 (written) stress being undisguised; 「表立った」 means out in the open; 「開放的」 describes open attitudes or spaces; 「世間的」 concerns public perception; 「プライベート」 and 「内部」 are the opposites.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 公共（の）こうきょう。