adverb
no less than; just as much as; comparable to
Used in the pattern Aに劣らずB to mean B is not inferior to A, or B is just as good/strong/etc. as A. Often follows a noun or noun phrase.
彼は兄に劣らず優秀な学生だ。
He is a student no less excellent than his older brother.
今年の夏は去年に劣らず暑い。
This summer is just as hot as last year.