flat out

phraseinformal

1
as quickly or with as much effort as possible
He worked flat out from morning until night.
Synonyms and related words
Words used to describe effort
hard
concerted
painstaking
Synonyms and related words
Quickly
quickly
fast
rapid
2
directly, without trying to avoid offending or upsetting people
Michael said flat out that he didn’t believe me.
Synonyms and related words
Talking in a direct way
directly
pointed
emphatic
3
completely and without doubt
He was just flat out wrong.
DNA analysis can flat out identify a suspect sometimes.
Synonyms and related words
Certain about something
certain
sure
positive

单词	flat out
释义	flat out phraseinformal DEFINITIONS3 1 as quickly or with as much effort as possible He worked flat out from morning until night. Synonyms and related words Words used to describe effort hard concerted painstaking Synonyms and related words Quickly quickly fast rapid 2 directly, without trying to avoid offending or upsetting people Michael said flat out that he didn’t believe me. Synonyms and related words Talking in a direct way directly pointed emphatic 3 completely and without doubt He was just flat out wrong. DNA analysis can flat out identify a suspect sometimes. Synonyms and related words Certain about something certain sure positive flat out phraseinformal DEFINITIONS3 1 as quickly or with as much effort as possible He worked flat out from morning until night. Synonyms and related words Words used to describe effort concerted painstaking all-out Synonyms and related words Quickly quickly fast rapid 2 directly, without trying to avoid offending or upsetting people Michael said flat out that he didn’t believe me. Synonyms and related words Talking in a direct way directly pointed emphatic 3 mainly Americancompletely and without doubt He was just flat out wrong. Synonyms and related words Certain about something certain sure positive
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