Word: sinkest
Part of speech: Verb
Syllables: sin
kest
Definition: Alternative form of sink; go under,
Morphemes:
Affix: sink
Language: en
PoS: Verb
Meaning: To cause a vessel to sink, generally by making it no longer watertight.
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.