Definitions
There are 3 meanings of the phrase
Hang On.
Hang On - as a verb
Fix to; attach
Example: "Append a charm to the necklace"
Synonyms (Exact Relations)
append11tack10tack ontag onHypernyms (Closely Related)
attach11Hyponyms (Broadly Related)
Be persistent, refuse to stop
Example: "He persisted to call me every night"
Synonyms (Exact Relations)
hang inhold onpersevere14persist9Hypernyms (Closely Related)
bear oncontinue10preserve13uphold12Hyponyms (Broadly Related)
Hold the phone line open
Example: "Please hang on while i get your folder"
Synonyms (Exact Relations)
hold onhold the line