Ponderous

abrutissant

(dull or boring)

béotien

(clumsy, unwieldy, or slow, especially due to weight)

conformiste

(clumsy, unwieldy, or slow, especially due to weight)

dogmatique

(dull or boring)

grossier

(clumsy, unwieldy, or slow, especially due to weight)

lourd

(dull or boring)

maladroit

(clumsy, unwieldy, or slow, especially due to weight)

pesant

(clumsy, unwieldy, or slow, especially due to weight)

pesant

(dull or boring)

écrasant

(dull or boring)