silly adj.
VERBS be, feel, look, seem, sound | become, get Stop it now, you two?this is getting silly!
ADV. bloody (taboo), damn/damned, downright, extremely, incredibly, really, remarkably, very a really silly question | a bit, a little, pretty, quite, rather
You can also check other dicts: silly (English, 中文解释 ), wordnet sense, Collins Definition