understate
verb
[ ʌndəˈsteɪt ]
• describe or represent (something) as being smaller or less good or important than it really is.
• "the press have understated the extent of the problem"
Similar:
play down,
downplay,
make light of,
underrate,
rate too low,
not do justice to,
do an injustice to,
underplay,
de-emphasize,
underemphasize,
trivialize,
minimize,
diminish,
downgrade,
reduce,
lessen,
brush aside,
gloss over,
shrug off,
soft-pedal,
sell short,
misprize,
minify,