modest adj.
1 not having a high opinion of your own abilities
VERBS be, look, seem
ADV. extremely, very | quite | genuinely | falsely She would be falsely modest not to acknowledge that she had come a very long way since those early days.
PREP. about He is modest about his achievements.
2 not very large, expensive, important, etc.
VERBS be, seem Our requirements seem fairly modest.
ADV. extremely, very | comparatively, fairly, pretty, quite, rather, relatively | apparently | admittedly He is looking to improve on his admittedly modest achievements so far. | surprisingly
You can also check other dicts: modest (English, 中文解释 ), wordnet sense, Collins Definition