SuSan Daughtrey Question

[elevenplusprep]

Hi , I am not able to understand the answer of the following question

Pack1 , Paper 4, Question 34

Most similar in meaning

Business
Firm
Lock
Secure
Office
Employ

Why is the answer Firm, Secure instead of Lock, Secure?

Thanks

[ontarget]

I think they are both equally valid

[patricia]

I used to tell my children who gave me lock and secure ...

"you lock something to make it secure, the two words are related not the same."

However I appreciate that a thesaurus will give secure as a synonym of lock...

Patricia

[ontarget]

I'm not sure, but I think that secure can be used as a verb and has the sense of lock in statements like

secure the building or secure the room

It is not as common as other uses of secure

http://oxforddictionaries.com/definition/english/secure" onclick="window.open(this.href);return false;

[IronMikeTyson]

a lock is an object that can be used to secure something. It can also leave an object unsecured.Whereas if something is firm it is secure (imo)

[KS10]

I suppose it's down to which two are 'most similar in meaning'. Imo firm and secure are the most similar, but I don't know whether I was influenced by being given the answer beforehand.