IPA: /ˈpɔɪn.jənt.li/
KK: /ˈpɔɪn.jənt.li/
In a way that evokes a strong emotional response, often sadness or regret.
The film ended poignantly, leaving the audience in tears.
Poignantly is derived from the root "poignant" (from Old French *poignant*, meaning to prick or pierce) combined with the adverbial suffix "-ly" (meaning in a manner of). The word poignantly describes something that is expressed in a manner that deeply affects the emotions, as if it pierces the heart.
Think of something that 'pricks' or 'pierces' your heart, which helps you remember that 'poignantly' refers to a deeply emotional expression.