NSW Opportunity Class
Perfunctory
adjective/per-funk-tuh-ree/
(of an action or gesture) carried out with a minimum of effort or reflection.
In contextHe gave a perfunctory nod in response to the question.
Remember it
Per-FUNCTION-ory: doing the bare function and nothing more — a quick, careless once-over.
Use it well
Pairs with small actions: a perfunctory nod, glance or apology — signals minimal effort, usually with a critical tone.