mipri -mip- gismu

x₁ keeps x₂ secret/hidden from x₃ by method x₄; x₂ is a secret; x₁ hides/conceals x₂.

Intransitive hidden/secret, without an agent (= selcri or nalterju'o); secret (= selmipri). See also stace, mifra, sivni, djuno, cirko, jarco.

In notes:

cirko: x₁ loses person/thing x₂ at/near x₃; x₁ loses property/feature x₂ in conditions/situation x₃.
djuno: x₁ knows fact(s) x₂ (du'u) about subject x₃ by epistemology x₄.
jarco: x₁ (agent) shows/exhibits/displays/[reveals]/demonstrates x₂ (property) to audience x₃.
mifra: x₁ is encoded/cipher text of plain-text x₂ by code/coding system x₃; x₁ is in code; x₃ is a code.
sivni: x₁ is private/personal/privy/[secret/confidential/confined] to x₂; x₁ is not-public/hidden.
stace: x₁ is honest/open/truthfully revealing to/candid/frank with x₂ about matter/fact x₃.
mipnavni: x₁ is a quantity of/contains/is made of krypton (Kr).
mipstu: s₁ (place) hides m₂=s₂ from m₃ by method m₄; s₁ is a hiding place.
mipypro: f₁=m₁ secretly opposes f₂=m₃ regarding f₃ (abstract) with secrecy method m₄.
nonseljmi: j₂ (du'u) is a mystery for j₁, the subject being j₃.
zilmipri: x₁ is secret/hidden from x₂ by method x₃.
kompromata: x₁ is a document containing compromising/blackmailing content x₂ (real or fabricated evidence that a participant of x₂ doesn't want to be revealed)
carpacib: Rot-13.