Word: leastwise
Part of speech: Adverb
Syllables: least
wise
Definition: At least.
Morphemes:
Affix: least
Language: en
PoS: Adverb
Meaning: Used for forming superlatives of adjectives, especially those that do not form the superlative by adding -est.
Affix: -wise
Language: en
PoS: Suffix
Meaning: in the matter of; with regard to