Today’s spacecraft use rockets and rockets use large quantities of propellant.
Source: tatoeba (3962315)
Propellant
Synonyms for "propellant" (114 found)
Ranked by relevance and common usage.
Closest matches (23)
Strong matches (34)
Related words (57)
mobilemotilemotivationmotivationalmotivemotormovingnatural gasoctaneoilpaddle wheelparaffinpeatpentanepistonproppropanepropellerpropellingpropulsion charge
Show 24 more words
propulsivepropulsorpropulsoryprovocativepulsivepushpushingreaction propulsionrocket fuelrocket propulsionrotorscrewscrew propellershovingspurstimulantstirringthrusttransitionaltravelingturbineturftwin screwswheel
Noun(10 words)
more accelerativemotivatornitrogenpressurizing gaspropellant chargepropellantspropellentrocket fuelsmokeless powderstimulus
Adjective(3 words)
Choosing the right synonym
- Closest matches in this entry: active, aerosol propellant, airscrew, alcohol, ballistite.
- Sentence evidence is available for propellant, so synonym choice can be checked against real usage rather than a flat word list.
- Ranking signals come from moby, opengloss, derived_reverse, wordnet, and related lexical sources.
Synonym selection checklist
- Match the part of speech before comparing meanings.
- Check whether the synonym changes intensity, formality, or emotional tone.
- Read the replacement inside the full sentence, not just beside "propellant".
- Prefer the clearest word over the most unusual word when writing for speed or comprehension.
When not to replace "propellant"
Keep "propellant" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Replacement workflow
1. Preserve meaning
Choose a synonym only if it keeps the core idea of "propellant" intact in the sentence you are editing.
2. Tune tone
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
3. Re-read context
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
Final fit check
After choosing a replacement for "propellant", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "propellant" or choose a simpler alternative from the closest-match group.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
6 entriesMore specific
9 entriescarbon dioxideeconomic stimulushybrid propellanthydrocarbon gasliquid propellantnitrous oxidepolicy impetussolid propellanttechnological breakthrough
Collocations
6 entriesaerosol propellanthybrid propellantliquid propellantpropellant chargerocket propellantsolid propellant
Inflections
1 entriessimilar
2 entriesTranslations
6 translations across 4 languages.
French
1 entries- propulseur noun (anything that propels)
Norwegian Bokmål
1 entries- drivstoff noun (anything that propels)
Norwegian Nynorsk
1 entries- drivstoff noun (anything that propels)
Spanish
3 entries- propelente noun (anything that propels)
- propulsor noun (anything that propels)
- propulsora noun (anything that propels)
Sample sentences
5 total sentences available.
As propellant blasts out of the rocket in one direction, it pushes the spacecraft in the other.
Source: tatoeba (3962316)
In a solid rocket, the propellants are mixed together and packed into a solid cylinder. Under normal temperature conditions, the propellants do not burn; but they will burn when exposed to a source of heat provided by an igniter. Once the burning starts, it proceeds until all the propellant is exhausted.
Source: tatoeba (5325819)
In-space electric propulsion can reduce the amount of fuel, or propellant, needed by up to 90% compared to chemical propulsion systems.
Source: tatoeba (9226953)
Showing 4 of 5 available sentences.
Common questions
What are the closest synonyms for "propellant"?
Closest matches include active, aerosol propellant, airscrew, alcohol, ballistite.
How should I check whether a synonym fits "propellant"?
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.