The phrase "are less overt" is correct and usable in written English.
It can be used to describe something that is not as obvious or explicit as something else.
Example: "The artist's later works are less overt in their political messages, allowing for more personal interpretation."
Alternatives: "are more subtle" or "are less explicit".
Other acts are less overt.
Requiring an independent doctor at games or for follow-up consultation would protect against similar incidents that players say are less overt but nonetheless prevalent in a league without guaranteed contracts.
Other homages are less overt but no less inspired, like Robbert Flick's 1993 "Parade Route," which reproduces, through "continuous motorized photos," every step along the way of the Rose Parade in Pasadena, Calif.
On Fox News, Hitler allusions are less overt, but crazy talk about Obama — dating to a 2008 suggestion that Michelle Obama's playful knuckle bump with her husband may have been "a terrorist fist jab" — is the stock in trade.
Often their hostility "leaks out" in passive aggressive ways that are less overt.
Other analyses, however, have pointed to problems that are less overt.
But one of the most interesting puzzles in all of this is less overt: Who is piloting the boat?
This Fantasia on Soviet Themes might be less overt, but was composed in 1943 as a tribute to Russian revolutionary heroism.
Indeed, Dr. DePalma sees indications that more students at Hall High are getting into their first-choice school (and that there is less overt student competition).
Alternately dubbed "The Gun Album," this eponymous collection is thematically inspired by John Lennon's "Happiness Is a Warm Gun," though its approach is less overt.
Collinsworth's language and tone can be less overt, evident only when juxtaposed with that of other announcers, including his broadcast partner, Al Michaels.
