lamebrained
ADJECTIVE
fatuous
Synonyms
Antonyms
ADJECTIVE
thoughtless
Synonyms
STRONGEST
WEAK
bovine
confused
doltish
dull
empty-headed
flighty
heedless
imprudent
inadvertent
inane
inattentive
incomprehensible
inept
injudicious
irreflective
loony
neglectful
negligent
obtuse
puerile
rash
regardless
remiss
silly
undiscerning
unheeding
unmindful
unreasonable
unreasoning
unreflective
unthinking
vacuous
witless
Antonyms
ADJECTIVE
unbelievable
Synonyms
STRONGEST
astonishing
implausible
impossible
improbable
inconceivable
incredible
outlandish
preposterous
too much
unimaginable
unthinkable
WEAK
beyond belief
cockamamie
cockeyed
doubtful
dubious
far-fetched
fishy
flaky
flimsy
for the birds
full of holes
harebrained
incogitable
kooky
open to doubt
past belief
phony
questionable
reaching
scatterbrained
screwy
staggering
suspect
thick
thin
unconvincing
unsubstantial
weak
won't hold water
won't wash
Antonyms
STRONGEST
WEAK
ADJECTIVE
vacuous
Synonyms
WEAK
Antonyms
WEAK
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.