quelconque meaning in English

certain▼◼◼◼(not specifically named, indeterminate, indefinite)
adjective
[UK: ˈsɜːt.n̩] [US: ˈsɝː.tn̩]

arbitrary▼◼◼◼((mathematics))
adjective
[UK: ˈɑː.bɪ.trə.ri] [US: ˈɑːr.bə.ˌtre.ri]Lemma 5 cannot be generalized to arbitrary artinian rings. = Le lemme 5 ne peut pas être généralisé pour les anneaux artiniens quelconques.

ordinary▼◼◼◻(having no special characteristics or function; everyday, common, mundane)
adjective
[UK: ˈɔː.dɪn.ri] [US: ˈɔːr.də.ˌne.ri]

nondescript▼◼◼◻(without distinguishing qualities)
adjective
[UK: ˈnɒn.dɪ.skrɪpt] [US: ˈnɑːn.də.ˈskrɪpt]

lackluster▼(Not exceptional; not worthy of special merit, attention, or interest)
adjective
[UK: ˈlæ.ˌklə.stə(r)] [US: ˈlæ.ˌklə.stər]

routine▼◼◼◻(ordinary with nothing to distinguish it from all the others)
adjective
[UK: ruː.ˈtiːn] [US: ruː.ˈtiːn]

any▼(no matter what kind)
determiner
[UK: ˈe.ni] [US: ˈe.ni]

some▼(certain, unspecified or unknown)
determiner
[UK: sʌm] [US: ˈsəm]