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only

1 only /ˈoʊnli/ adjective
1 only
/ˈoʊnli/
adjective
Britannica Dictionary definition of ONLY
always used before a noun
: alone in a class or category : existing with no other or others of the same kind usually used with the or a possessive (such as my, her, its, their, John's, etc.)
see also only child, the one and only at 3one

one of the only

: one of very few : one in a small class or category

the only

used to emphasize that a particular person or thing should be the one chosen usually + for
2 only /ˈoʊnli/ adverb
2 only
/ˈoʊnli/
adverb
Britannica Dictionary definition of ONLY
: no more than
: nothing other than used to indicate that a single thing was done, is needed, is possible, etc.
used for emphasis
sometimes used in the phrase only just
: excluding all others
: nobody or nothing except
: in no time, place, or situation except the one specified
: for no other reason than
: nothing more important or serious than
used to emphasize that something happened recently
used to say that something has or will have a particular and usually bad result
used to indicate something bad or surprising that happens after something else followed by to + verb

for your eyes only

see 1eye

if only

see 1if

in name only

see 1name

not only

used to say that both of two related statements are true

only have eyes for

see 1eye

only too

: very or completely

second only to

see 1second
3 only /ˈoʊnli/ conjunction
3 only
/ˈoʊnli/
conjunction
Britannica Dictionary definition of ONLY
informal
: but, however