Definition for thickheaded - Oxford Dictionaries Online (World English)

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	thickheaded (thick\|head¦ed) Pronunciation: /ˌθɪkˈhɛdɪd/ adjective informal unintelligent; stupid: what a thickheaded business decision! Derivatives thickheadedness Pronunciation: /-ˈhɛdɪdnɪs/ noun		Nearby Words thick-film thick-knee thick-skinned thick-skulled thicken thickener thickening thicket thickhead thickheaded thickness thicko thickset thief thieve thievery thieves thieving thievish