nonperforming

adj 0.726

underpowered

adj 0.671

underwhelming

adj 0.670

below average

adj 0.634

suboptimal

adj 0.627

underactive

adj 0.626

subaverage

adj 0.622

underexpressed

adj 0.612

underpredicted

adj 0.608

unperformed

adj 0.603

undertrained

adj 0.602

postperformance

adj 0.598

underskilled

adj 0.598

underused

adj 0.597

lagging

adj 0.595

underemployed

adj 0.594

undershot

adj 0.585

under-represented

adj 0.583

disappointing

adj 0.581

underdone

adj 0.580

underdeveloped

adj 0.579

unimpressive

adj 0.579

understrength

adj 0.574

underrepresented

adj 0.574

underequipped

adj 0.571

underexploited

adj 0.571

understimulated

adj 0.564

substandard

adj 0.562

performant

adj 0.562

hypofunctioning

adj 0.560

unsuccessful

adj 0.560

undersubscribed

adj 0.560

underresourced

adj 0.557

inefficient

adj 0.555

underrated

adj 0.555

poorly

adj 0.554

unoptimized

adj 0.549

unsatisfactory

adj 0.547

underqualified

adj 0.547

overmatched

adj 0.545

subnormal

adj 0.545

dysfunctional

adj 0.544

nonworking

adj 0.542

undervalued

adj 0.542

unproductive

adj 0.539

unpromising

adj 0.539

disadvantaged

adj 0.538

underpriced

adj 0.536

inferior

adj 0.535

underappreciated

adj 0.534

underexpose

adj 0.533

unaccomplished

adj 0.533

undermanned

adj 0.531

undersold

adj 0.530

underreported

adj 0.530

ineffective

adj 0.528

performance-driven

adj 0.528

underserved

adj 0.527

deficient

adj 0.526

quite poor

adj 0.525

unprosperous

adj 0.525

underconfident

adj 0.525

defective

adj 0.524

unenterprising

adj 0.523

subpar

adj 0.523

slow off the mark

adj 0.522

unsatisfying

adj 0.519

inadequate

adj 0.519

undernourished

adj 0.518

unprofitable

adj 0.518

unimpressed

adj 0.517

ill-used

adj 0.517

lackluster

adj 0.517

maladaptive

adj 0.516

disappointed

adj 0.515

counterproductive

adj 0.513

impaired

adj 0.512

under the weather

adj 0.510

poor

adj 0.510

undersize

adj 0.510

underdressed

adj 0.510

unperfected

adj 0.510

failed

adj 0.510

unfavourable

adj 0.509

unworking

adj 0.509

laggard

adj 0.509

unpreferred

adj 0.509

underidentified

adj 0.508

undercut

adj 0.507

understudied

adj 0.507

incompetent

adj 0.507

mediocre

adj 0.506

downmarket

adj 0.504

unfavored

adj 0.504

undersized

adj 0.504

underdiagnosed

adj 0.503

underfed

adj 0.502

disfavoured

adj 0.502

behindhand

adj 0.502

lacking

adj 0.502