Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun necking

2 senses of necking

Sense 1
gorgerin, necking -- (the molding at the top of a column)
       => molding, moulding -- (a decorative strip used for ornamentation or finishing)

Sense 2
caressing, cuddling, fondling, hugging, kissing, necking, petting, smooching, snuggling -- (affectionate play (or foreplay without contact with the genital organs))
       => foreplay, arousal, stimulation -- (mutual sexual fondling prior to sexual intercourse)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb neck

1 sense of neck

Sense 1
neck, make out -- (kiss, embrace, or fondle with sexual passion; "The couple were necking in the back seat of the car")
       => pet -- (stroke or caress gently; "pet the lamb")