In transitive terms the difference between underestimate and underplay
is that underestimate is to perceive (someone or something) as having a lower value, quantity, worth, etc., than what he/she/it actually has while underplay is to play in a subordinate, or in an inferior manner; to underact a part.
underestimate
English
Verb
(underestimat)
To perceive (someone or something) as having a lower value, quantity, worth, etc., than what he/she/it actually has.
Synonyms
* misunderestimate
* misjudge
Antonyms
* (to perceive as having lower value) overestimate
Noun
(
en noun)
An estimate or perception that is too low.
Synonyms
* underestimation
underplay
English
Noun
(head)
The act of underplaying.
Verb
(
en verb)
To play in a subordinate, or in an inferior manner; to underact a part.
(card games) To play a low card when holding a high one, in the hope of a future advantage.