opt Pronunciation: /ɒpt/Translate opt | into French | into Italian | into Spanish German translation of optv.i. sich entscheiden (for für) opt to do sth. = sich dafür entscheiden, etw. zu tun opt out = nicht mitmachen/ (stop taking part) nicht länger mitmachen (of bei)opt in other Oxford dictionaries Definition of opt in the British & World English dictionary Definition of opt in the US English dictionary