v.
Pronunciation: ˌ in-t ə (r)- ' fir
Function: intransitive verb
Inflected Form: -fered ; -fer · ing
Etymology: Middle English enterferen, from Anglo-French ( s' ) entreferir to strike one another, from entre- inter- + ferir to strike, from Latin ferire ― more at BORE
Date: 15th century
1 : to interpose in a way that hinders or impedes : come into collision or be in opposition
2 : to strike one foot against the opposite foot or ankle in walking or running ― used especially of horses
3 : to enter into or take a part in the concerns of others
4 : to act reciprocally so as to augment, diminish, or otherwise affect one another ― used of waves
synonyms see INTERPOSE
– in · ter · fer · er noun