From Longman Dictionary of Contemporary Englishbe nothing if not somethingbe nothing if not somethingused to emphasize a particular quality that someone or something has You’ve got to admit – he’s nothing if not persistent. → nothing
Examples from the Corpus
be nothing if not something• The World Wide Web is nothing if not a participatory medium.• But Yeltsin is nothing if not a risk-taker.• The plan was nothing if not complicated.• Shelley's prose is nothing if not inspired and inspiring.• That kid is nothing if not noisy.• The Suffolk farmhouse was nothing if not practical.• Herbert Wadlough is nothing if not reliable.• He was nothing if not vain. 