Comparative form of unhappy: more unhappy(adjective)
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Use "unhappier" in a sentence
"Dickie was very polite to the landlord, at whom in unhappier days he had sometimes made faces, and when the landlord went he had six of their shillings and they had the key."
"And it was impossible not to recall unhappier times 16 years earlier, when many of the same boulevards were filled with rioters upset about the outcome of a hockey game."
"Let's face the facts: Study after study has shown that parents, compared to adults without kids, experience lower emotional well-being and have unhappier marriages and suffer more from depression."