ineffective

adj 0.907

inefficacious

adj 0.865

noneffective

adj 0.814

inept

adj 0.742

unavailing

adj 0.704

futile

adj 0.692

unuseful

adj 0.690

useless

adj 0.683

inefficient

adj 0.676

fruitless

adj 0.676

incompetent

adj 0.661

unproductive

adj 0.645

powerless

adj 0.645

inoperative

adj 0.639

unfruitful

adj 0.629

feeble

adj 0.618

unsuccessful

adj 0.617

effectual

adj 0.611

feckless

adj 0.607

incapable

adj 0.606

nugatory

adj 0.605

nonproductive

adj 0.599

inadequate

adj 0.597

inane

adj 0.597

valueless

adj 0.595

unenforceable

adj 0.591

pointless

adj 0.590

inconsequential

adj 0.590

in vain

adj 0.589

afunctional

adj 0.588

unhelpful

adj 0.585

inapplicable

adj 0.583

ineloquent

adj 0.583

inapt

adj 0.581

worthless

adj 0.581

efficacious

adj 0.581

insignificant

adj 0.581

meaningless

adj 0.580

effete

adj 0.580

inert

adj 0.579

good for nothing

adj 0.574

unworkable

adj 0.574

good-for-nothing

adj 0.573

otiose

adj 0.571

purposeless

adj 0.570

hapless

adj 0.569

hopeless

adj 0.569

unpersuasive

adj 0.569

unskillful

adj 0.567

impractical

adj 0.566

counterproductive

adj 0.565

unusable

adj 0.565

vain

adj 0.561

inexpressive

adj 0.557

actionless

adj 0.557

invalid

adj 0.557

insufficient

adj 0.556

helpless

adj 0.556

insubstantial

adj 0.553

winless

adj 0.552

inoperable

adj 0.552

inviable

adj 0.551

uninstructive

adj 0.551

infertile

adj 0.549

vacuous

adj 0.548

pathetic

adj 0.548

unimpressive

adj 0.548

inexpert

adj 0.547

abortive

adj 0.545

ineffable

adj 0.545

defective

adj 0.544

unmeaning

adj 0.544

infelicitous

adj 0.543

nonenforceable

adj 0.541

effective

adj 0.540

in effect

adj 0.539

null and void

adj 0.538

insensible

adj 0.538

unworking

adj 0.538

unimportant

adj 0.538

inactive

adj 0.538

effecting

adj 0.537

nonworking

adj 0.534

witless

adj 0.534

senseless

adj 0.534

inapposite

adj 0.534

aimless

adj 0.534

nonviable

adj 0.534

effected

adj 0.534

innocuous

adj 0.533

underwhelming

adj 0.533

unworthy

adj 0.533

infeasible

adj 0.532

unconstructive

adj 0.531

imperceptive

adj 0.530

unpractical

adj 0.530

inexistent

adj 0.530

enfeebled

adj 0.528

insipid

adj 0.528

uninformative

adj 0.528