counteract
verb /ˌkaʊntərˈækt/
  /ˌkaʊntərˈækt/
Verb Forms
| present simple I / you / we / they counteract |    /ˌkaʊntərˈækt/   /ˌkaʊntərˈækt/  | 
| he / she / it counteracts |    /ˌkaʊntərˈækts/   /ˌkaʊntərˈækts/  | 
| past simple counteracted |    /ˌkaʊntərˈæktɪd/   /ˌkaʊntərˈæktɪd/  | 
| past participle counteracted |    /ˌkaʊntərˈæktɪd/   /ˌkaʊntərˈæktɪd/  | 
| -ing form counteracting |    /ˌkaʊntərˈæktɪŋ/   /ˌkaʊntərˈæktɪŋ/  | 
- counteract something to do something to reduce or prevent the bad or harmful effects of something synonym counter
- These exercises aim to counteract the effects of stress and tension.
 
Extra Examples- By pausing for a moment or two before speaking you will simply be counteracting a nervous tendency to rush headlong into everything.
 - She liked to keep busy all the time to counteract the feelings of uselessness that overcame her whenever she had nothing to do.
 - The thrust of the rocket engines counteracts gravity.
 
Oxford Collocations DictionaryCounteract is used with these nouns as the object:- effect
 - influence
 - trend
 - …