The phrase "become starker" is correct and usable in written English.
It can be used to describe a situation or contrast that is becoming more pronounced or evident.
Example: "As the debate continued, the differences in their opinions began to become starker."
Alternatives: "grow more pronounced" or "become more evident."
Since Trump clinched the nomination, the dividing lines have become starker, the individual dilemmas more agonizing.
The contradictions that Mackellar helped romanticize have become starker and more extreme.
The saving grace for some might be shifting geopolitics, which could bring aid and lower debt burdens to America's new allies.Debt worries have become starker.
The balkanisation of this city of 500,000-plus people that began in 2001 with a first round of religious violence will become starker after this latest bloodshed.
Now bitterly divided, they are a people whose choices have become starker: In the West Bank, the Palestinian Authority says it is committed to a peaceful path of negotiations with Israel — though after nearly two decades of intermittent talks, a state remains elusive.
Intriguingly, as cross-border divestitures become more prevalent, the number of external stakeholders involved in a divestiture will not only increase, but the differences in their objectives are likely to become starker.
In the softening light they have lost detail and become stark purple shapes.
Meanwhile, depending on external events, the broader disagreement on foreign policy between the Tory realists and neocons which Mr Cameron has tried to straddle, and which anyway seems somewhat moot in opposition may become stark.
If you add to that Beckmesser's music and language, which Paul Lawrence Rose alleges are clear parodies of Jewish cantorial melody, and of Yiddish, the challenge it poses for the modern producer become stark.
The governor is surrounded by a typical southern political gallery of allies and thugs, as well as Burden, who had turned his back on his genteel upbringing to become Stark's amanuensis.
This problem waxes and wanes, but has become stark under a prime minister who combines a presidential style with his second overwhelming Commons majority.One way to solve this problem would have been to enhance the powers of the upper house.
