I
n.
1) to raise (a) ~ (her proposal raised serious ~s in my mind)
2) to cast ~ on
3) to feel ~; to entertain, harbor ~s about
4) to express, voice (a) ~
5) to dispel, resolve a ~
6) a deep, serious, strong; gnawing; lingering; reasonable; slight ~
7) ~s appear, arise
8) a ~ about, of
9) a ~ that + clause (he expressed serious ~ that he could finish the job on time)
10) beyond (a shadow of) a ~; without a ~
11) in ~ (the result was never in serious ~)
12) ( misc. ) to give smb. the benefit of the ~; ( colloq. ) there is no ~ about it: she's the best
USAGE NOTE: Some purists recommend that whether or the more informal if be used with the noun ~ , especially in the meaning 'uncertainty'
--she expressed ~ (about/as to) whether they would finish on time ('she was not certain whether they would finish on time').
In the meaning of 'disbelief', the conjunction that is common
--she expressed ~ that they would finish on time ('she did not believe that they would finish on time').
Note that in interrogative sentences the use of that prevails
--is there any ~ that they will finish on time?
In negative sentences the conjunction that must be used
-- there is no ~ that they will finish on time.
II
v.
1) to ~ strongly, very much
2) ( L ) I ~ that (if, whether) she will want to participate
USAGE NOTE: see the Usage Note for ~ I. Thus, to express 'uncertainty', one can say - she ~ed whether they would finish on time.
To express 'disbelief, one can say - she ~ed that they would finish on time.
In negative sentences, only that is used - she doesn't ~ that they will finish on time.