Word: deboost
Part of speech: Noun
Syllables: de
boost
Definition: A slowing manoeuvre of this kind.
Morphemes:
Affix: de-
Language: en
PoS: Prefix
Meaning: Intensifying; make more intense, stronger, or more marked; 
Etymology Compounds: Affix: dē-
Language: la
Decoded: de-
PoS: Prefix
Meaning: de-
Affix: boost
Language: en
PoS: Noun
Meaning: A coordinate transformation that changes velocity.