Word: unslackening
Part of speech: Adjective
Syllables: un
slack
en
ing
Definition: Not slackening; without loss of speed.
Morphemes:
Affix: un-
Language: en
PoS: Prefix
Meaning: absent; lacking; not; negative
Affix: slack
Language: en
PoS: Adjective
Meaning: Moderate in speed.
Affix: -en
Language: en
Meaning: inchoative
Affix: -ing
Language: en
PoS: Suffix
Meaning: Having a specified quality, characteristic, or nature; of the kind of