The term 'two thumbs up' is a popular expression of approval or satisfaction. It is often used to express enthusiasm for something, and is usually accompanied by a gesture of two thumbs pointing upwards. The crossword solutions for this term are GREAT (5 letters), OKS (3 letters), and RAVE (4 letters). GREAT is an adjective meaning excellent or of high quality. OKS is an abbreviation for 'OKAY', which is a word used to indicate acceptance or agreement. RAVE is a verb meaning to speak or write enthusiastically about something. Together, these three words can be used to express the sentiment of two thumbs up.