his action is clear but his reason remains unstated.
Examples of unstated
unstated
Exactly what inducements Nixon might offer at the bargaining table are unstated.
From the time.com
The symbolism of bread for the October Horse is unstated in the ancient sources.
From the en.wikipedia.org
St. Mary's, behind star guard Chavaughn Lewis, chose the unstated third option.
From the newsday.com
The analogies to illegal Latinos in the United States are unstated but obvious.
From the post-gazette.com
Unstated, too, is Moscow's wish to be included in NATO's decision-making process.
From the washingtontimes.com
It suggests a way of life that Indians maintain in their quiet and unstated ways.
From the economist.com
Thorough renovation has created a secluded atmosphere and a warm, unstated charm.
From the smh.com.au
The unstated inference is that something similar might be true in Asians, too.
From the economist.com
Worse yet, the sport's officials are playing by unstated, shifting standards.
From the nytimes.com
More examples
Unexpressed: not made explicit; "the unexpressed terms of the agreement"; "things left unsaid"; "some kind of unspoken agreement"; "his action is clear but his reason remains unstated"