The 25-year-old made his £12 million move to north London on deadline-day in August, but so far this season he has found competition for a place between the sticks with Brad Friedel fierce, making just one league appearance.
But Deschamps has suggested that the former Lyon stopper would not have moved to Spurs if he knew he would not be a first-team regular.
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"His situation appears to me to be incomprehensible," Deschamps told reporters.
"We are not talking about a young goalkeeper but a guy who has been the France keeper for several years, who has played dozens of matches in the Champions League.
"The problem is that he jumped on the train when it had already left the station and he did not start the season.
"The English league had started when he signed in August."
However, Deschamps clarified that Lloris, who saved a penalty against European champions Spain last time out for his country, would remain his No.1 keeper whatever the situation.
“The really important thing is that a player speaks directly with his coach and if Hugo had done that, maybe he would not have signed for Tottenham," he added.
"But as for the French team, he is not in danger. He proved against Spain that he is a great keeper."