This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Having or marked by an inclination to secrecy; not open, forthright, or frank. See Synonyms at silent.

adj. Having an inclination to secrecy.

adj. Tending to secrete, or to keep secret or private.

Tending to secrete or keep secret; given to secrecy or concealment; reticent or reserved concerning one's own or another's affairs.

Causing or promoting secretion.

adj. inclined to secrecy or reticence about divulging information

"The congressman from Zulia state criticized what he called the "secretive" nature of the president's deliberation over the measure."

incommunicative    uncommunicative   

reticent   

private    sly    furtive    covert   

reticent    suspicious    sly    furtive    uncommunicative    wary    devious    sneaky    reclusive    hesitant