がっつり

がっつり is a casual intensifier meaning to do something fully, heartily, or with gusto. Likely derived from the onomatopoeia がつがつ (eating greedily).

Register

Informal and colloquial. Popular especially among younger speakers. Not appropriate for formal writing or business contexts.

Common patterns

• がっつり食(た)べる: to eat heartily
• がっつり系(けい): hearty-style (often describing food)
• がっつり稼(かせ)ぐ: to earn a lot
• がっつり働(はたら)く: to work hard

Similar words

• しっかり: firmly, properly (neutral register, broader usage)
• たっぷり: plenty, amply (focuses on quantity)
• がつがつ: greedily (negative nuance, mostly about eating)