Strong's Concordance

Original word: ἀκωλύτως
Transliteration: akólutós
Definition (short): unhindered
Definition (full): without hindrance

NAS Exhaustive Concordance

Word Origin: from alpha (as a neg. prefix) and kóluó
Definition: without hindrance
NASB Translation: unhindered (1).
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Strong's Exhaustive Concordance

Adverb from a compound of a (as a negative particle) and a derivative of koluo; in an unhindered manner, i.e. Freely -- no man forbidding him.

see GREEK a

see GREEK koluo

KJV: Preaching the kingdom of God, and teaching those things which concern the Lord Jesus Christ, with all confidence, no man forbidding him.
NASB: preaching the kingdom of God and teaching concerning the Lord Jesus Christ with all openness, unhindered.