/ rɪˈpʌlʃn; NAmE / noun [ U ]
1.
a feeling of very strong dislike of sth that you find extremely unpleasant
2.
( physics ) the force by which objects tend to push each other away :
the forces of attraction and repulsion
—see also repel
—compare attraction
••
WORD ORIGIN
late Middle English : from late Latin repulsio(n-) , from repellere drive back, from re- back + pellere to drive.