overstep
verb /ˌəʊvəˈstep/
  /ˌəʊvərˈstep/
Verb Forms
Idioms | present simple I / you / we / they overstep |    /ˌəʊvəˈstep/   /ˌəʊvərˈstep/  | 
| he / she / it oversteps |    /ˌəʊvəˈsteps/   /ˌəʊvərˈsteps/  | 
| past simple overstepped |    /ˌəʊvəˈstept/   /ˌəʊvərˈstept/  | 
| past participle overstepped |    /ˌəʊvəˈstept/   /ˌəʊvərˈstept/  | 
| -ing form overstepping |    /ˌəʊvəˈstepɪŋ/   /ˌəʊvərˈstepɪŋ/  | 
- overstep something to go beyond what is normal or allowed
- to overstep your authority
 - He tends to overstep the boundaries of good taste.
 
Oxford Collocations DictionaryOverstep is used with these nouns as the object:- authority
 - boundary
 - limit
 - …
 
 
Idioms 
overstep the mark/line 
- to behave in a way that people think is not acceptable
- She realized she had overstepped the mark and quickly apologized.