retouch[verb]Synonyms: touch up, brush up, tease up
[TahlilGaran] English Synonym Dictionary ▲
re‧touch /ˌriːˈtʌtʃ/
verb [transitive] to improve a picture or photograph by painting over marks or making other small changes ⇒
airbrush:
postcards that have been retouched to cover the grey skies [TahlilGaran] Dictionary of Contemporary English ▲