Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun propellant

1 sense of propellant

Sense 1
propellant, propellent -- (any substance that propels)
       => substance -- (a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man")

Antonyms of adj propellant

1 sense of propellant

Sense 1
propellant, propellent, propelling, propulsive -- (tending to or capable of propelling; "propellant fuel for submarines"; "the faster a jet plane goes the greater its propulsive efficiency"; "universities...the seats of propulsive thought")

INDIRECT (VIA dynamic) -> undynamic, adynamic -- (characterized by an absence of force or forcefulness)

Similarity of adj propellant

1 sense of propellant

Sense 1
propellant, propellent, propelling, propulsive -- (tending to or capable of propelling; "propellant fuel for submarines"; "the faster a jet plane goes the greater its propulsive efficiency"; "universities...the seats of propulsive thought")
       => dynamic (vs. undynamic), dynamical -- (characterized by action or forcefulness or force of personality; "a dynamic market"; "a dynamic speaker"; "the dynamic president of the firm")