sentir or siento
I believe it is Sientolo
i feel young = me siento joven
"I feel tired" would be "Siento cansado"
Me siento terrible
me siento burlado
Me siento como
"Me siento mal."
Me siento ignorado
"To feel" is the verb "sentir". Do not confuse this with "sentar", which means "to sit".
Te sientes como un niño perdido would be the best way to say "You feel like a lost child" in Spanish.
"No me siento bien."
Yo siento enfermo