blo·vi·ate

verb

/ˈbləʊvieɪt/

[intransitive] (North American English, informal, disapproving)

Verb Forms

present simple I / you / we / they bloviate	/ˈbləʊvieɪt/ /ˈbləʊvieɪt/
he / she / it bloviates	/ˈbləʊvieɪts/ /ˈbləʊvieɪts/
past simple bloviated	/ˈbləʊvieɪtɪd/ /ˈbləʊvieɪtɪd/
past participle bloviated	/ˈbləʊvieɪtɪd/ /ˈbləʊvieɪtɪd/
-ing form bloviating	/ˈbləʊvieɪtɪŋ/ /ˈbləʊvieɪtɪŋ/

to talk or write in a way that shows that you think you know a lot and have something important to say, when in fact you do not know much and have nothing important to say（空泛地）高谈阔论；夸夸其谈
- All radio talk show hosts blab and bloviate about national security.所有广播脱口秀主持人都对国家安全大肆宣扬。