certus meaning in English

Latin	English
certus [certa -um, certior -or -us, certissimus -a -um] adjective	certainadjective [UK: ˈsɜːt.n̩] [US: ˈsɝː.tn̩]John was certain. = Thomas certus erat. fixed, settled, firmadjective resolved, determinedadjective sure [surer, surest]adjective [UK: ʃʊə(r)] [US: ˈʃʊr]Is John sure? = Estne Thomas certus? trusty / reliableadjective
certus, fidus adjective	certain(sure, positive, not doubting) adjective [UK: ˈsɜːt.n̩] [US: ˈsɝː.tn̩]
incertus [incerta, incertum] adjective	doubtfuladjective [UK: ˈdaʊt.fʊl] [US: ˈdaʊt.fəl] uncertainadjective [UK: ʌn.ˈsɜːt.n̩] [US: ʌn.ˈsɝː.tn̩]I'm still uncertain. = Adhuc incertus sum. unsure, inconstant, variableadjective
incertus, ambiguus adjective	uncertain(not known for certain; questionable) adjective [UK: ʌn.ˈsɜːt.n̩] [US: ʌn.ˈsɝː.tn̩]
lacertus [lacerti] (2nd) M noun	(pl.) strength, muscles, vigor, forcenoun lizard [lizards]noun [UK: ˈlɪ.zəd] [US: ˈlɪ.zərd] upper arm, arm, shouldernoun

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