DelilahPronunciation: /dɪˈlʌɪlə/Definition of Delilah (in the Bible) a woman who betrayed Samson to the Philistines (Judges 16) by revealing to them that the secret of his strength lay in his long hair. (as noun a Delilah) a seductive and wily temptress. Delilah in other Oxford dictionaries Definition of Delilah in the US English dictionary