Subtle fuel Synonyms

Subtle replaced

indirect fuel

Definitions for Subtle

(adjective) clever at attaining one's ends by indirect and often deceptive means
(adjective) made or done with extreme care and accuracy
(adjective) satisfying or pleasing because of fineness or mildness

Synonyms for phrase

SF abbreviation

SF is an abbreviation for Subtle Fuel

What does SF stand for?

SF stands for "Subtle Fuel"

Fuel replaced

subtle encouragement

subtle material

subtle increase

subtle incentive

Definitions for Fuel

(noun) something with a usable capacity for doing work
(noun) a substance that can be consumed to produce energy
(verb) provide with fuel