Following are all the unfirm like words, in the list below.
UNSTEADY
100% like unfirm
UNFIXED
99.94% like unfirm
LOOSE
99.89% like unfirm
SHIFTING
99.77% like unfirm
INFIRM
33.46% like unfirm
FRAIL
33.46% like unfirm
FIRMLESS
33.46% like unfirm
UNSTRONG
33.46% like unfirm
SILLY
33.46% like unfirm
WEAK
33.46% like unfirm
INFIRMATIVE
33.46% like unfirm
FEEBLE
33.46% like unfirm
FEEBLE-MINDED
33.46% like unfirm
SLACK
33.46% like unfirm
INEFFECTUAL
33.46% like unfirm
UNWIELDY
33.46% like unfirm
LIMP
33.46% like unfirm
IMPOTENT
33.46% like unfirm
INSUFFICIENT
33.46% like unfirm
SOFT
33.46% like unfirm
UNCERTAIN
33.46% like unfirm
TENDER
33.46% like unfirm
EFFETE
33.46% like unfirm
RACHITIC
33.46% like unfirm
FLIMSY
33.46% like unfirm
SHAKY
33.46% like unfirm
DEBILE
33.46% like unfirm
MUSCLELESS
33.46% like unfirm
UNDERSTRENGTH
33.46% like unfirm
HELPLESS
33.46% like unfirm
FORCIBLE-FEEBLE
33.46% like unfirm
FALSE
33.46% like unfirm
TOTTERING
33.46% like unfirm
DROOPED
33.46% like unfirm
VAGUE
33.46% like unfirm
ENFEEBLED
33.46% like unfirm
UNSINEWED
33.46% like unfirm
UNTHRIVING
33.46% like unfirm
SLIPPERY
33.46% like unfirm
FRAGILE
33.46% like unfirm
ENFEEBLISHED
33.46% like unfirm
STRENGTHLESS
33.46% like unfirm
IMPUISSANT
33.46% like unfirm
UNFIT
33.46% like unfirm
DOWLESS
33.46% like unfirm
UNABLE
33.46% like unfirm
WHIFTY
33.46% like unfirm
SIMPLE
33.46% like unfirm
IMPAIR
33.46% like unfirm
RICKETY
33.46% like unfirm
POWERLESS
33.46% like unfirm
VACILLATORY
33.46% like unfirm
IMPERFECT
33.46% like unfirm
PITHLESS
33.46% like unfirm
CHéTIF
33.46% like unfirm
INEFFECTIVE
33.46% like unfirm
UNSOUND
33.46% like unfirm
UNWIELDLY
33.46% like unfirm
BRITTLE
33.46% like unfirm
UNFORCIBLE
33.46% like unfirm
UNSURE
33.46% like unfirm
INEPT
33.46% like unfirm
UNWORTHY
33.46% like unfirm
IRRESOLUTE
33.46% like unfirm
FLAWED
33.46% like unfirm
INCAPABLE
33.46% like unfirm
DELICATE
33.46% like unfirm
UNBRIGHT
33.46% like unfirm
MALFORMED
33.46% like unfirm
WEAK-HANDED
33.46% like unfirm
PUNY
33.46% like unfirm
FAINT
33.46% like unfirm
THEWLESS
33.46% like unfirm
RELAXED
33.46% like unfirm
UNWISE
33.46% like unfirm
INEXACT
33.46% like unfirm
UNWHOLESOME
33.46% like unfirm
FAINTLING
33.46% like unfirm
SICKLY
33.46% like unfirm
WEAK-KNEED
33.46% like unfirm
SEEDY
33.46% like unfirm
MIGHTLESS
33.46% like unfirm
WISHY-WASHY
33.46% like unfirm
UNTENABLE
33.46% like unfirm
UNSTABLE
33.46% like unfirm
FLACCID
33.46% like unfirm
UNSUITABLE
33.46% like unfirm
FOND
33.46% like unfirm
INEXPERT
33.46% like unfirm
WEAKENED
33.46% like unfirm
UNVIRTUOUS
33.46% like unfirm
INVIRILE
33.46% like unfirm
VACILLANT
33.46% like unfirm
TREMULOUS
33.46% like unfirm
WEAK-MINDED
33.46% like unfirm
INADEQUATE
33.46% like unfirm
ILL-DEFINED
33.46% like unfirm
RAGGED
33.46% like unfirm
DECREPIT
33.46% like unfirm
LIMP-WRISTED
33.46% like unfirm