caps and underlining
to shout out loudly at someone
Typing a word entirely in capital letters to emphasize a word when writing a message in an IM application or email. For example if you want to yell at someone over an email, then you write the whole message in capital letters and with exclamation marks.
yell
Shout
Sleep.
Yell and shout.
to yell or shout
shout and scream.
yell
loudly
A four letter word meaning to shout would be yell.As in "he let out a mighty yell".