| v.  in·fringed, in·fring·ing, in·fring·es  v.tr. 1.  To transgress or exceed the limits of; violate: infringe a contract; infringe a patent. 2.  Obsolete   To defeat; invalidate. v.intr.  To encroach on someone or something; engage in trespassing: an increased workload that infringed on his personal life. [Latin īnfringere, to destroy : in-, intensive pref.; see  IN-2 + frangere, to break; see  bhreg- in the Appendix of Indo-European roots.] in·fringer n. | 
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