Word: defilest
Part of speech: Verb
Syllables: de
fi
lest
Definition: Alternative form of defile; make dirty or spotty, as by exposure to air; also used metaphorically
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: file
Language: en
PoS: Verb
Meaning: To defile; place under suspicion or cast doubt upon
Etymology Compounds: Affix: filen
Language: enm
Decoded: filen
Meaning: to defile
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.