hold back vs hold off

hold back and hold off both are verbs.

Word	Noun	Adjective	Verb	Adverb
hold back	No	No	Yes	No
hold off	No	No	Yes	No

As verbs, hold back and hold off are synonyms defined as:

Other synonyms of hold back include wait.

hold back (verb)	hold off (verb)
prevent the action or expression of	resist and fight to a standoff
hold back, as of a danger or an enemy; check the expansion or influence of	wait before acting
hold back; keep from being perceived by others
secure and keep for possible future use or application
wait before acting
refrain from doing