The word 'snogged' is a slang term for kissing passionately. Synonyms for snogged include smooched, canoodled, necked, made out, lip-locked, and embraced passionately, among others. These terms depict the same level of intensity and meaning as snogged, but with varying levels of formality. Depending on the context and social setting, it is important to choose a synonym that is appropriate and suitable for the situation, as some terms may be more derogatory or inappropriate. Overall, there are many interchangeable words that can be used in place of snogged, allowing for more creative and varied descriptions of romantic encounters.