Word
smokeless
Phoneticssmoke·less, stress on the first syllable
US/ˈsmoʊkɫəs/
UK/smˈəʊkləs/
Definition
adj. with no smoke, or making almost no smoke. You use it for fuels, fires, or tobacco products that stay clean.
adj. producing little or no visible smoke; free from smoke or designed to avoid emitting it. Often describes fuels, tobacco products, or designated areas where combustion or smoking is limited.
Examples
“They buy smokeless coal for the small stove.”
“The apartment building allows only smokeless candles because regular candles set off the fire alarm.”
“The city promotes smokeless heating systems to cut winter air pollution while keeping older homes warm without major renovation.”
Examples
simple
“They buy smokeless coal for the small stove.”
contextual
“The apartment building allows only smokeless candles because regular candles set off the fire alarm.”
complex
“The city promotes smokeless heating systems to cut winter air pollution while keeping older homes warm without major renovation.”
Collocations
Common phrases and expressions where native English speakers use the word “smokeless” in context.
Verb
01. burn smokeless
“This log is designed to burn smokeless for several hours.”
verb + adj
02. convert to smokeless
“Many homes converted to smokeless heating in the 1970s.”
verb + prep + adj
03. keep smokeless
“Keep the city centre smokeless by using only approved fuels.”
verb + adj
Adjective
04. almost smokeless
“The coal fire is almost smokeless and leaves very little ash.”
adv + adj
05. completely smokeless
“This product claims to be completely smokeless and odourless.”
adv + adj
Noun
06. smokeless coal
“Smokeless coal produces very little ash and almost no smoke.”
adj + noun
07. smokeless fuel
“We only burn smokeless fuel to keep the air clean in winter.”
adj + noun
08. smokeless powder
“Modern fireworks often use smokeless powder to reduce haze.”
adj + noun
09. smokeless tobacco
“Smokeless tobacco is still harmful to health despite having no smoke.”
adj + noun
10. burn smokeless coal
“They burn smokeless coal because ordinary wood creates too much smoke.”
11. live in a smokeless zone
“We live in a smokeless zone, so we cannot burn ordinary wood.”
12. produce a smokeless flame
“This burner produces a smokeless flame ideal for indoor cooking.”
Real-World Examples
“Snus is a smokeless tobacco product which is sold in small parcels and placed between their upper lip and their gums.” “The industry’s future now rests on smokeless options like PMI's IQOS tobacco sticks—devices that emit a vapor mimicking traditional cigarettes but containing fewer harmful substances.” “According to data from the National Health Interview Survey, the proportion of working adults using smokeless tobacco was 2.7 percent in 2005 and slightly increased to 3 percent in 2010.” Etymology
From smoke + -less.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Antonyms
Related words
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Occasional
- Level
- B2 · Upper Intermediate
- Updated
- アルファベット
- 読み方の一覧 →
QR code
englishreference.com/q/smokeless