動詞 override:

1. rule against
   同義詞：overrule, overturn, override, overthrow, reverse
2. prevail over
   同義詞：override
3. counteract the normal operation of (an automatic gear shift in a vehicle)
   同義詞：override
4. ride (a horse) too hard
   同義詞：override

形容詞 overriding:

1. having superior power and influence
   同義詞：paramount, predominant, predominate, preponderant, preponderating

1. It is of overriding importance to finish the project this week.
   最重要的是本星期要完成這一項目。

o.ver.rid.ing

adj.（形容詞）
First in priority; more important than all others:
壓倒一切的，首要的：首要的；比其它一切更重要的：
例句：
Our overriding concern is the eradication of illiteracy.
我們最關(guān)心的事是消除文盲

【引伸】
o.verrid.ingly
adv.（副詞）