rubber-stamp
verb /ˌrʌbə ˈstæmp/
  /ˌrʌbər ˈstæmp/
 (often disapproving)Verb Forms
| present simple I / you / we / they rubber-stamp |  /ˌrʌbə ˈstæmp/  /ˌrʌbər ˈstæmp/ | 
| he / she / it rubber-stamps |  /ˌrʌbə ˈstæmps/  /ˌrʌbər ˈstæmps/ | 
| past simple rubber-stamped |  /ˌrʌbə ˈstæmpt/  /ˌrʌbər ˈstæmpt/ | 
| past participle rubber-stamped |  /ˌrʌbə ˈstæmpt/  /ˌrʌbər ˈstæmpt/ | 
| -ing form rubber-stamping |  /ˌrʌbə ˈstæmpɪŋ/  /ˌrʌbər ˈstæmpɪŋ/ | 
- rubber-stamp something to give official approval to a law, plan, decision, etc., especially without considering it carefully- The council just rubber-stamps decisions made by a higher authority.