piileä

Piileä is a Finnish adjective meaning hidden, latent, or concealed. It is used to describe things that are not immediately visible or detectable, such as risks, conditions, or qualities that are present but not yet apparent. The standard and most common form in contemporary Finnish is piilevä; piileä appears mainly in older texts, poetry, or regional/dialectal usage.

Etymology and related forms: Piileä derives from the Finnish root piil-, which is connected with hiding or concealment. It belongs to the same word family as piilottaa (to hide) and piilossa (in hiding). In everyday language, piilevä is the form you are most likely to encounter, while piileä is encountered less frequently and often regarded as archaic or stylistic.

Usage notes: Piilevä is widely used in both spoken and written Finnish to express latent or concealed aspects. It is common in descriptions of dangers, diseases, intentions, or characteristics that are not immediately evident. In translation to English, piilevä is typically rendered as “hidden” or “latent,” depending on the context. The word can appear in phrases such as piilevä vaara (latent danger) or piilevä sairaus (hidden/in apparent illness) to convey that something exists beneath the surface.

See also: piilottaa, piilossa, latentti (a loanword meaning latent), salainen.

Overall, piileä functions as a core term for signaling concealment or subtlety in Finnish, with piilevä being its standard modern form and piileä serving mostly in older or regional usages.