Meaning of “meaningful” - Learner’s Dictionary

meaningful

adjective uk us /ˈmiːnɪŋfəl/
USEFUL

B2 useful, serious, or important:

a meaningful discussion
WITH MEANING

B2 having a clear meaning that people can understand:

a meaningful comparison/conclusion
LOOK

intended to show a meaning, often secretly:

a meaningful look
meaningfully adverb

(Definition of “meaningful” from the Cambridge Learner’s Dictionary © Cambridge University Press)