Synonyms of not half in English:

not half


See definition of not half

phrase

1‘that doesn't half make you feel old!’

SYNONYMS
really, certainly, definitely, decidedly, assuredly, surely, very much, to a great extent, to a considerable extent, for sure, indeed
undeniably, undoubtedly, indubitably, irrefutably, incontrovertibly, incontestably, unequivocally
informal, humorous bigly

2‘the players are not half bad’

SYNONYMS
not at all, not a bit, not in any way, by no means, absolutely not, most certainly not, not for a moment, not nearly, not the slightest bit, to no extent