overdo
verb /ˌəʊvəˈduː/
  /ˌəʊvərˈduː/
Verb Forms
Idioms | present simple I / you / we / they overdo |  /ˌəʊvəˈduː/  /ˌəʊvərˈduː/ | 
| he / she / it overdoes |  /ˌəʊvəˈdʌz/  /ˌəʊvərˈdʌz/ | 
| past simple overdid |  /ˌəʊvəˈdɪd/  /ˌəʊvərˈdɪd/ | 
| past participle overdone |  /ˌəʊvəˈdʌn/  /ˌəʊvərˈdʌn/ | 
| -ing form overdoing |  /ˌəʊvəˈduːɪŋ/  /ˌəʊvərˈduːɪŋ/ | 
- overdo something to do something too much; to make something seem larger, better, worse or more important than it really is- She really overdid the sympathy (= and so did not seem sincere).
 
- overdo something to use too much of something- Don't overdo the salt in the food.
- Use illustrations where appropriate but don't overdo it.
 
- [usually passive] overdo something to cook something for too long- The fish was overdone and very dry.
 
Word OriginOld English oferdōn (see over-, do1).
Idioms 
overdo it/things 
- to work, study, etc. too hard or for too long- He's been overdoing things recently.
- I overdid it in the gym and hurt my back.