Simple Definition of suck-up

from our Learner's Dictionary

suck-up

noun

plural suck-ups
US, informal + disapproving : a person who tries to get the approval of someone in authority by saying and doing helpful and friendly things that are not sincere
I don't think you can give your professor a gift without being considered a suck-up.

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“Suck-up.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/suck-up. Accessed 24 Jul. 2026.

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