-ish suff. A suffix used to from adjectives from nouns and from adjectives. It denotes relation, resemblance, similarity, and sometimes has a diminutive force; as, selfish, boyish, brutish; whitish, somewhat white.
... Just before they left, a letter arrived from John demanding the keys of his house, and proposing that Polly should come to town to set it in order for him, and help him to engage a housekeeper. A niggardly—a truly "John-ish"—fashion of giving an invitation, thought Mahony, and was not for his wife accepting it. But Polly was so pleased at the prospect of seeing her brother that he ended by agreeing to her going on to Melbourne as soon as she had ... — Australia Felix • Henry Handel Richardson
... he, hacked and whacked With all his might and main Until the Brit-ish sailed away And did ... — Stories of Great Americans for Little Americans • Edward Eggleston