A — 1: εὔκαιρος
(Strong's #2121 — Adjective — eukairos — yoo'-kahee-ros )

lit., "well-timed" (eu, "well," kairos, "a time, season"), hence signifies "timely, opportune, convenient;" it is said of a certain day, Mark 6:21; elsewhere, Hebrews 4:16 , "in time of need." See NEED. Cp. eukairia, "opportunity," Matthew 26:16; Luke 22:6; eukaireo, "to have opportunity," Mark 6:31; Acts 17:21 ("they spent their time," marg. "had leisure for nothing else"); 1—Corinthians 16:12 . See OPPORTUNITY , NEED , C, Note.

B — 1: εὐκαίρως
(Strong's #2122 — Adverb — eukairos — yoo-kah'ee-roce )

"conveniently," Mark 14:11 , is used elsewhere in 2—Timothy 4:2 , "in season." See SEASON , C.

C — 1: ἀνήκω
(Strong's #433 — Verb — aneko — an-ay'-ko )

is rendered "befitting" in Ephesians 5:4 , for AV, "convenient;" so in Philemon 1:8 . See BEFIT.

C — 2: καθήκω
(Strong's #2520 — Verb — katheko — kath-ay'-ko )

"to be fitting," is so translated in Romans 1:28 , RV; AV, "(not) convenient;" in Acts 22:22 , "it is (not) fit." See FIT.