Adverb

(-)

Mainly or chiefly; for the most part; usually, generally, on the whole.

*{{quote-magazine, date=2013-06-29, volume=407, issue=8842, page=72-3, magazine=(The Economist)

, title= A punch in the gut , passage=Mostly , the microbiome is beneficial. It helps with digestion and enables people to extract a lot more calories from their food than would otherwise be possible. Research over the past few years, however, has implicated it in diseases from atherosclerosis to asthma to autism.}}

(obsolete) To the greatest extent; most.

* 1817 , , Northanger Abbey , [http://books.google.co.uk/books?id=mDUbXHRIbRIC&dq=northanger+abbey+search+austen&pg=PP1&ots=EDH1Xu36el&sig=J7fVUwXmydAD36S8oLTWv2-ICNk&hl=en&sa=X&oi=book_result&resnum=1&ct=result#PPA163,M1]:

She was to be their chosen visitor, she was to be for weeks under the same roof with the person whose society she mostly prized [...]!

Adverb

(-)

(duration) for all time, for all eternity; for an infinite amount of time.

''I shall love you forever .

* 1839 , Denison Olmsted, A Compendium of Astronomy Page 95

Secondly, When a body is once in motion it will continue to move forever , unless something stops it. When a ball is struck on the surface of the earth, the friction of the earth and the resistance of the air soon stop its motion.

(duration, colloquial) for a very long time, 'an' eternity.

''We had to wait forever to get inside.

(frequency) constantly or frequently.

''You are forever nagging me.

* 1912 : (Edgar Rice Burroughs), (Tarzan of the Apes), Chapter 5

Early in his boyhood he had learned to form ropes by twisting and tying long grasses together, and with these he was forever tripping Tublat or attempting to hang him from some overhanging branch.