chat up vs philander

chat up and philander both are verbs.

Word	Noun	Adjective	Verb	Adverb
chat up	No	No	Yes	No
philander	No	No	Yes	No

As verbs, chat up and philander are synonyms defined as:

chat up and philander: talk or behave amorously, without serious intentions

Other synonyms of chat up include butterfly, coquet, coquette, dally, flirt, mash, romance.

chat up (verb)	philander (verb)
talk or behave amorously, without serious intentions	talk or behave amorously, without serious intentions
talk to someone with the aim of persuading him	have amorous affairs; of men