flat-out
At maximum speed
Flat-out means at maximum effort or speed: running flat-out, working flat-out to meet the deadline.
It also serves as an intensifier meaning complete or absolute: a flat-out lie, flat-out refused.
The sense is of holding nothing back, leaving no room for qualification.
Lacking nothing, fully done
- totalComplete sum
- utterTo vocalize words
- categoricalUnconditional and explicit
- unconditionalWithout limits or qualifications
unequivocal · definitive · unmitigated · sheer · pure · downright · unqualified · outright
Dull or tactlessly direct
- directUndeviating or to guide
- straightforwardClear and uncomplicated
- frankOpen and direct
- honestFree from deception
forthright · point-blank · unvarnished · plain-spoken · no-nonsense · straight-up · upfront · candid
At maximum power
- breakneckRecklessly high speed
- pedal-to-the-metalMaximum vehicular acceleration
- wide-openFully extended or unrestricted
- sprintBrief maximum-speed effort
race · turbo · overdrive · blitz · hell-for-leather · flying · blazing · tearing
Emptied of resources
- spentExhausted or disbursed
- depletedSeverely reduced or emptied
- fatiguedDrained of energy
- exhaustedUtterly depleted of energy
run-down · bone-tired · knackered · shattered · bushed · zonked · crashed · collapsed
At maximum capacity
- maximumGreatest permitted quantity
- intenseExtreme in degree
- no-holds-barredWithout rules or restrictions
- balls-to-the-wallCompletely committed, maximum effort
complete
Lacking nothing, fully done
- totalComplete sum
- utterTo vocalize words
- categoricalUnconditional and explicit
unconditional · unequivocal · definitive · unmitigated · sheer · pure · downright · unqualified · outright · undeniable
blunt
Dull or tactlessly direct
- directUndeviating or to guide
- straightforwardClear and uncomplicated
- frankOpen and direct
honest · forthright · point-blank · unvarnished · plain-spoken · no-nonsense · straight-up · upfront · candid · matter-of-fact
full-throttle
At maximum power
- breakneckRecklessly high speed
- pedal-to-the-metalMaximum vehicular acceleration
- wide-openFully extended or unrestricted
sprint · race · turbo · overdrive · blitz · hell-for-leather · flying · blazing · tearing · hurtling
drained
Emptied of resources
exhausted · run-down · bone-tired · knackered · shattered · bushed · zonked · crashed · collapsed · overworked
full-bore
At maximum capacity
- maximumGreatest permitted quantity
- intenseExtreme in degree
- no-holds-barredWithout rules or restrictions
- clarityclearness, clear, obvious, simplification, concise
flat-outqualified
Meeting necessary standards
hedged · equivocal · conditional · tentative · uncertain
flat-outleisurely
Done without urgency
slow · restrained · unhurried · relaxed · measured
flat-outindirect
Not straight or immediate
evasive · beating around the bush · circumspect · roundabout · oblique
flat, out, flatten, flatter, flats, flatness, flattened, flatly, flattening