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HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS

WORDNET DICTIONARY

Adjective immobile has 2 senses

• immobile(a = adj.all) Array - not capable of movement or of being moved; Array
Derived forms verb immobilize₆, verb immobilize₂
Antonym: mobile

• immobile(s = adj.all) fast, firm - securely fixed in place; "the post was still firm after being hit by the car"
Derived form noun immobility₁

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

immobile

abiding, adamant, adamantine, at a standstill, at anchor, changeless, constant, contemplative, continuing, dead-still, do-nothing, dormant, durable, enduring, firm, fixed, frozen, idle, immotile, immotive, immovable, immutable, inactive, inert, inflexible, intact, inviolate, irremovable, laissez-aller, laissez-faire, lasting, meditative, motionless, moveless, neuter, neutral, out of commission, paralytic, paralyzed, passive, pat, permanent, perpetual, persistent, procrastinating, quiescent, quietist, quietistic, remaining, riding at anchor, rigid, solid, stable, stagnant, stagnating, standpat, static, stationary, statuelike, staying, steadfast, still, stock-still, sustained, torpid, unaltered, unchangeable, unchanged, unchanging, unchecked, undestroyed, unemployed, unfading, unfailing, unmovable, unmoved, unmoving, unshifting, unvaried, unvarying, unyielding, vegetable, vegetative

For further exploring for "immobile" in Webster Dictionary Online