once in a blue moon - Dictionar Englez de Sinonime
once in a blue moon (adverb) hardly: scarcely; with difficulty Sinonime: chickenheartedness, cowardliness, dastardliness, faint-heartedness, fearfulness, pusillanimity, pusillanimousness, spinelessness, timidity, unmanliness Antonime:very
Dictionarul Englez de Sinonime este un dictionar, in care termeni din limba engleza sunt explicati intr-un mod simplu (nu simplist) si eficient, altaturi de sinonimele si antonimele corespunzatoare.