hold back

definition: hold back, as of a danger or an enemy
example:
speech part: verb
synonyms: arrest
definition: hold back
example:
speech part: verb
synonyms: restrain
definition: secure and keep for possible future use or application
example:
speech part: verb
synonyms: hold
definition: keep under control
example:
speech part: verb
synonyms: keep
definition: wait before acting
example:
speech part: verb
synonyms: wait
definition: refrain from doing
example:
speech part: verb
synonyms: forbear

How hold back is being used?