[f. as prec. + -ING2.] That counterfeits; see the verb.

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1593.  Shaks., 3 Hen. VI., II. iii. 28. As if the Tragedie Were plaid in iest, by counterfetting Actors.

2

1627.  P. Fletcher, Locusts, II. xxvi. By heart They all have got my counterfeiting part.

3