Ought (Verb) - Vine's Expository Dictionary of New Testament Words

Ought (Verb)

[ 1,,G1163, dei ]
denotes it is necessary," "one must;" in Luke 24:26, AV, "ought" (RV "behoved it"); the neuter of the present participle, used as a noun, is translated "things which they ought (not)" in 1 Timothy 5:13; in Acts 19:36, "ye ought" (See NEED), See MUST, No. 1.

[ 2,,G3784, opheilo ]
"to owe," is translated "ought," with various personal pronouns, in John 13:14; John 19:7; Acts 17:29; Romans 15:1; Hebrews 5:3, AV (RV, "he is bound"); Hebrews 5:12; 1 John 3:16; 1 John 4:11; 3 John 1:8; with other subjects in 1 Corinthians 11:7, 1 Corinthians 11:10; 2 Corinthians 12:14; Ephesians 5:28; 1 John 2:6. See BEHOVE, OWE, etc.

[ 3,,G5534, chre ]
an impersonal verb (akin to chaomai, "to use"), occurs in James 3:10, "(these things) ought (not so to be)," lit., "it is not befitting, these things so to be."

Vine's Expository Dictionary of New Testament Words