c1350 St. Jacob 173 (xix.) in Horstmann (1881) 99/1 Þai suld noght leue for thin ne thik Till þai war broght bath ded or quik.
1426 J. Lydgate tr. G. de Guileville 11135 I [Youth] passe bothe thorgh thynne & thykke.
1895 G. Allen xix. 203 This very fact that she had always lived in the Thick of Things made a change to the Thin of Things only by so much the more delicious and enchanting.