完全

He didn't give a full picture.

complete subject/predicate

I completely forgot about it. / I clean forgot the whole thing.

He was completely in the dark about this matter.

That's not the whole truth.

be absolutely correct

be fully qualified

be completely in line with; be entirely at one; be in full agreement

have complete confidence (in); have full trust (in)

be the exact opposite of

lose all touch with reality

agree fully (with); be in full accord with; be in entire agreement (with)

realize to the full

be entirely unnecessary; not necessary at all

be completely reasonable

be absolutely in accordance with

come as a complete surprise; be entirely unexpected

be fully ripe

be totally different; have nothing in common