Strong's #1647: elachistoteros (pronounced el-akh-is-tot'-er-os)
comparative of 1646; far less:--less than the least.
Thayer's Greek Lexicon:
̓́
elachistoteros
1) less than the least, lower the lowest
Part of Speech: adjective
Relation: comparative of G1646
Usage:
This word is used 1 times:
Ephesians 3:8: "Unto me, who am less than the least of all saints, is this grace given, that I should preach"