Of, pertaining to, resembling, or connected with a peninsula.(adjective)
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Use "peninsular" in a sentence
"A Sumatran rhino was captured by a camera trap in peninsular Malaysia, the first time in more than a decade."
"I didn't have these things as a girl, and I don't know these words either in peninsular Spanish or Mexican Spanish. hermano"
"If so, we could have two types of climate ghettos: one receding inland, forming ocean-filled valleys, and one jutting out to meet the coming sea, peninsular -- in other words, the English fjords."