/ ˌəʊvərˈemfəsɪs; NAmE ˌoʊ-/ noun
[ U , sing. ] overemphasis (on sth) too much emphasis or importance :
an overemphasis on curing illness rather than preventing it
► over·empha·size , over·empha·sise / ˌəʊvərˈemfəsaɪz; NAmE ˌoʊ-/ verb :
[ vn ]
The importance of preparation cannot be overemphasized .