if peradventure, lest (at any time, haply), not at all, whether or not

Concise Bible Dictionary:

“Perchance, perhaps” (1 Sam. 14:30; Mark 11:13; Luke 14:29, &c).

Strong’s Dictionary of Greek Words:

Number:
3379 (find all occurrences in KJV Bible)
Greek:
μήποτε
Transliteration:
mepote
Phonic:
may’-pot-eh
Meaning:
μή ποτε (may pot'-eh) from 3361 and 4218; not ever; also if (or lest) ever (or perhaps)
KJV Usage:
if peradventure, lest (at any time, haply), not at all, whether or not