The phrase 'far less than enough' is correct and usable in written English.
You can use this phrase to indicate that there is not enough of something, usually in comparison to another quantity. For example, you could say "We have far less than enough food to feed everyone in the village."
Around 30% of private-sector debt is in foreign currency, far less than in Hungary but more than enough to hurt the economy if the zloty sinks.
Now Mrs. Bartolomeo's faucets will flow with about five gallons of water a minute, far less than she once had, but enough to meet the health department standard.
Likewise, the Cubs added a famous righty to their starting staff -- 38-year-old Greg Maddux -- and Maddux, who talks far less than Schilling, has done well enough, with a 13-8 record that includes his 300th career victory.
Canon has upped the resolution to 30MP, less than the 36MP D810 and far less than the 42MP A7RII but still more than enough for most shooters and this should help them in low light results.
Under the deal, the tribe would pay the state and local community far less than nontribal casinos and certainly not enough to cover the social damage gambling leaves in its wake.
With the existing facilities, according to a Food and Drug official, only an infinitesimal fraction of the crop products moving in interstate commerce can be checked — far less than one per cent, or not enough to have statistical significance.
Mr. Bloomberg said that the northeaster was expected to bring a surge in the water level of two to four-and-a-half feet at tomorrow's high tides, roughly at 1 p.m. and midnight – far less than Hurricane Sandy brought ashore, but enough to re-flood low-lying areas.
The quality of video is expected to be low -- about one frame a second -- which is far less than regular streaming video, but is enough to let users be more expressive in their chats, said Lisa Pollock, Yahoo's messaging products director.
The measure they propose would make a radical cut of $111 billion in 2012, then limit federal spending to 19.9 percent of the gross domestic product by 2017, far less than the current 25 percent and not nearly enough for Americans' needs.
