Crossword clue: showing frivolous or superficial interest; amateurish
3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
an amateur who engages in an activity without serious intentions and who pretends to have knowledge
showing frivolous or superficial interest; amateurish
showing frivolous or superficial interest; amateurish