(Received Pronunciation) enPR: sĕm'pərăʹnyo͞oəl, IPA(key): /ˌsɛmpəˈɹænjuːəl/ <span class="searchmatch">semperannual</span> (not comparable) (rare nonce word) Perpetually perennial. 1861, George...
/ˈsɛmpə/ semper- always, unvarying English terms prefixed with semper- <span class="searchmatch">semperannual</span> sempergreen semperjuvenescent semperlenity sempervirent sempervirid sempervive...
pseudoannual quadannual semiannually, semi-annually semiannual, semi-annual <span class="searchmatch">semperannual</span> sesquiannual subannual sweet Annie terannual transannual triannual, tri-annual...