'play dumb' definitions:
Synonyms of 'play dumb'
From: Moby Thesaurus
- be mute,
- be silent,
- bosom,
- classify,
- conceal,
- file and forget,
- forswear speech,
- hold out on,
- in petto,
- keep,
- keep back,
- keep between us,
- keep buttoned up,
- keep close,
- keep dark,
- keep from,
- keep in ignorance,
- keep mum,
- keep quiet,
- keep secret,
- keep silent,
- keep snug,
- keep still,
- keep under wraps,
- make no sign,
- never let on,
- not give away,
- not tell,
- say nothing,
- secrete,
- shut up,
- stand mute,
- veil,
- withhold