The phrase "a bit secretive" is correct and usable in written English.
It can be used to describe someone or something that is somewhat reserved or not fully open about information or intentions.
Example: "She was a bit secretive about her plans for the weekend, leaving her friends curious."
Alternatives: "somewhat reserved" or "a little mysterious."
For obvious reasons, he was a bit secretive when undertaking experiments.
Part of the bar's appeal is that it all feels a bit secretive, making for a titillating atmosphere that lends itself to hedonistic fun.
The thing is, I want to be a bit secretive about it, if that's alright?
"I kind of find that [not knowing which parents took part in this study] a bit secretive and all a bit like, hush hush…on a need to know basis and I didn't need to know" (Year 1 teacher).
This may have helped address some of the barriers to communication with teachers, although not all could be overcome, due to the confidential nature of research, which teachers found difficult at times, "I kind of find that [not knowing which parents took part in this study] a bit secretive and all a bit like, hush hush…on a need to know basis and I didn't need to know" (Year 1 teacher).
Kitty Hawk is a bit more secretive, but interestingly enough, it is run by Sebastian Thrun, the former head of Google's self-driving car program.
We don't hear about Dropbox too often (it seems that they're a bit too secretive for their own good at times), but their product rocks, and is gaining fans quickly.
In this case, it seems Apple has specifically chosen Swift as a topic where it's acceptable to be a bit less secretive because A) it plans to eventually migrate developers from primarily using Objective-C to using Swift to develop apps for its platforms and B) the language is technically still in development, so being open lets them get more feedback on its design.
The scripts were a bit more secretive and my sense of what was happening with my character from script to script was a complete surprise which isn't always a bad thing.
And while they did not often make heavy conversation, usually offering just a friendly wave or hello, they also seemed not the least bit secretive or mysterious.
The company revealed a bit about their secretive product development back in January, when they talked about their efforts regarding developing communication wearables devices.
