avow
verb /əˈvaʊ/
  /əˈvaʊ/
 (formal)Verb Forms
| present simple I / you / we / they avow |    /əˈvaʊ/   /əˈvaʊ/  | 
| he / she / it avows |    /əˈvaʊz/   /əˈvaʊz/  | 
| past simple avowed |    /əˈvaʊd/   /əˈvaʊd/  | 
| past participle avowed |    /əˈvaʊd/   /əˈvaʊd/  | 
| -ing form avowing |    /əˈvaʊɪŋ/   /əˈvaʊɪŋ/  | 
- avow that… | avow something | + speech to say clearly and often publicly what your opinion is, what you think is true, etc.
- An aide avowed that the president had known nothing of the deals.
 
Word OriginMiddle English (in the senses ‘acknowledge, approve’ and ‘vouch for’): from Old French avouer ‘acknowledge’, from Latin advocare ‘summon in defence’, from ad- ‘to’ + vocare ‘to call’.