1) Exceed improperly 2) Exclusively Anglo word 3) Exclusively Saxon word 4) Go across 5) Go beyond 6) Go beyond the bounds 7) Go beyond the limit 8) Go through 9) Go too far 10) Pass 11) Pass beyond 12) To go beyond 13) To go too far beyond 14) To serve pot is to go too far 15) Transgress 16) Trespass 1) Pass 2) Presume 
An overstep is a geological form where there is deposition of a stratum across inclined, progressively older rocks. An onlap is a more general term than overstep, in which the younger beds overlap onto successively older beds. ...
• (v. t.) To step over or beyond; to transgress.
O`ver·step' transitive verb [ imperfect & past participle Overstepped ; present participle & verbal noun Overstepping .] [ Anglo-Saxon ofersteppan .] To step over or beyond; to transgress. Shak. 
to go beyond; exceed: to overstep one's authority.