choke back
• suppress a strong emotion.
• "Liz was choking back her anger"
Similar:
suppress,
hold back,
fight back,
bite back,
gulp back,
swallow,
check,
keep in check,
restrain,
contain,
control,
repress,
smother,
stifle,
curb,
bridle,
rein in,
bite one's lip,
keep a/the lid on,